57304736 has 24 divisors (see below), whose sum is σ = 113144724. Its totient is φ = 28569600.

The previous prime is 57304733. The next prime is 57304763. The reversal of 57304736 is 63740375.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 57093136 + 211600 = 7556^2 + 460^2 .

It is a junction number, because it is equal to n+sod(n) for n = 57304696 and 57304705.

It is not an unprimeable number, because it can be changed into a prime (57304733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9536 + ... + 14336.

Almost surely, 2^57304736 is an apocalyptic number.

It is an amenable number.

57304736 is a deficient number, since it is larger than the sum of its proper divisors (55839988).

57304736 is a wasteful number, since it uses less digits than its factorization.

57304736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5184 (or 5176 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 35.

The square root of 57304736 is about 7569.9891677598. The cubic root of 57304736 is about 385.5347289417.

The spelling of 57304736 in words is "fifty-seven million, three hundred four thousand, seven hundred thirty-six".