74907456 has 56 divisors (see below), whose sum is σ = 213445344. Its totient is φ = 23047680.

The previous prime is 74907449. The next prime is 74907461. The reversal of 74907456 is 65470947.

It is a super-2 number, since 2×74907456² = 11222253928783872, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12510 + ... + 17501.

It is an arithmetic number, because the mean of its divisors is an integer number (3811524).

Almost surely, 2^74907456 is an apocalyptic number.

It is an amenable number.

74907456 is an abundant number, since it is smaller than the sum of its proper divisors (138537888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74907456 is a wasteful number, since it uses less digits than its factorization.

74907456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30039 (or 30029 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 42.

The square root of 74907456 is about 8654.9093582775. The cubic root of 74907456 is about 421.5428065198.

The spelling of 74907456 in words is "seventy-four million, nine hundred seven thousand, four hundred fifty-six".