74 (number)

← 73 74 75 →
← 70 71 72 73 74 75 76 77 78 79 → List of numbers Integers ← 0 10 20 30 40 50 60 70 80 90 →
Cardinal	seventy-four
Ordinal	74th (seventy-fourth)
Factorization	2 × 37
Divisors	1, 2, 37, 74
Greek numeral	ΟΔ´
Roman numeral	LXXIV
Binary	10010102
Ternary	22023
Senary	2026
Octal	1128
Duodecimal	6212
Hexadecimal	4A16

74 (seventy-four) is the natural number following 73 and preceding 75.

In mathematics

74 is:

• the twenty-first distinct semiprime and the eleventh of the form 2×q.
• a palindromic number in bases 6 (202₆) and 36 (22₃₆).
• a nontotient.
• the number of collections of subsets of {1, 2, 3} that are closed under union and intersection.
• φ(74) = φ(σ(74)).

There are 74 different non-Hamiltonian polyhedra with a minimum number of vertices.

In science

• The atomic number of tungsten

In astronomy

• Messier object M74, a magnitude 10.5 spiral galaxy in the constellation Pisces.
• The New General Catalogue object NGC 74, a galaxy in the constellation Andromeda.

In music

• Seventy-four, one of the Number Pieces by John Cage
• "Seventy-Four", a song by the American band Bright from the album The Albatross Guest House

In bus routes

In Chicago, "74" is the Fullerton bus which runs from Lincoln Park to Belmont Cragin.

London Buses route 74 is a Transport for London contracted bus route in London, England. Running between Baker Street station and Putney, it is operated by London General.

In other fields

See also: List of highways numbered 74

Seventy-four is also:

• The year AD 74, 74 BC, or 1974
• Designates the 7400 series of Integrated Chips. 74xx xx=00-4538
• A seventy-four was a third-rate warship with 74 guns.
• The registry of the U.S. Navy's nuclear aircraft carrier USS John C. Stennis (CVN-74), named after U.S. Senator John C. Stennis
• A hurricane or typhoon is a system with sustained winds of at least 74 mph (64 knots).
• The number of the French department Haute-Savoie
• In the Bible it is the number of people that were in the presence of God on Mount Sinai and saw God without dying “Exodus 24:9-11”