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74491954 = 2149249973
BaseRepresentation
bin1000111000010…
…10100000110010
312012011120202021
410130022200302
5123032220304
611220342054
71563112465
oct434124062
9165146667
1074491954
11390599a9
1220b4492a
13125822a4
149c712dc
156816a54
hex470a832

74491954 has 8 divisors (see below), whose sum is σ = 112488300. Its totient is φ = 36995856.

The previous prime is 74491927. The next prime is 74491979. The reversal of 74491954 is 45919447.

It can be written as a sum of positive squares in 2 ways, for example, as 72709729 + 1782225 = 8527^2 + 1335^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 74491954.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124689 + ... + 125284.

Almost surely, 274491954 is an apocalyptic number.

74491954 is a deficient number, since it is larger than the sum of its proper divisors (37996346).

74491954 is a wasteful number, since it uses less digits than its factorization.

74491954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250124.

The product of its digits is 181440, while the sum is 43.

The square root of 74491954 is about 8630.8721459653. The cubic root of 74491954 is about 420.7619464268.

The spelling of 74491954 in words is "seventy-four million, four hundred ninety-one thousand, nine hundred fifty-four".

Divisors: 1 2 149 298 249973 499946 37245977 74491954