57307372 has 12 divisors (see below), whose sum is σ = 100345336. Its totient is φ = 28637280.

The previous prime is 57307361. The next prime is 57307399. The reversal of 57307372 is 27370375.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

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, 7243 + ... + 12925.

Almost surely, 2^57307372 is an apocalyptic number.

It is an amenable number.

57307372 is a deficient number, since it is larger than the sum of its proper divisors (43037964).

57307372 is a wasteful number, since it uses less digits than its factorization.

57307372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8208 (or 8206 counting only the distinct ones).

The product of its (nonzero) digits is 30870, while the sum is 34.

The square root of 57307372 is about 7570.1632743290. The cubic root of 57307372 is about 385.5406403435.

The spelling of 57307372 in words is "fifty-seven million, three hundred seven thousand, three hundred seventy-two".