57712738 has 16 divisors (see below), whose sum is σ = 88335360. Its totient is φ = 28271056.

The previous prime is 57712723. The next prime is 57712741. The reversal of 57712738 is 83721775.

It is a self number, because there is not a number n which added to its sum of digits gives 57712738.

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, 44556 + ... + 45832.

It is an arithmetic number, because the mean of its divisors is an integer number (5520960).

Almost surely, 2^57712738 is an apocalyptic number.

57712738 is a deficient number, since it is larger than the sum of its proper divisors (30622622).

57712738 is a wasteful number, since it uses less digits than its factorization.

57712738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1721.

The product of its digits is 82320, while the sum is 40.

The square root of 57712738 is about 7596.8900215812. The cubic root of 57712738 is about 386.4475510767.

The spelling of 57712738 in words is "fifty-seven million, seven hundred twelve thousand, seven hundred thirty-eight".