57040772 has 12 divisors (see below), whose sum is σ = 100550940. Its totient is φ = 28311936.

The previous prime is 57040733. The next prime is 57040777. The reversal of 57040772 is 27704075.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 42172036 + 14868736 = 6494^2 + 3856^2 .

It is not an unprimeable number, because it can be changed into a prime (57040777) 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, 51497 + ... + 52592.

It is an arithmetic number, because the mean of its divisors is an integer number (8379245).

Almost surely, 2^57040772 is an apocalyptic number.

It is an amenable number.

57040772 is a deficient number, since it is larger than the sum of its proper divisors (43510168).

57040772 is a wasteful number, since it uses less digits than its factorization.

57040772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104230 (or 104228 counting only the distinct ones).

The product of its (nonzero) digits is 13720, while the sum is 32.

The square root of 57040772 is about 7552.5341442459. The cubic root of 57040772 is about 384.9418521278.

The spelling of 57040772 in words is "fifty-seven million, forty thousand, seven hundred seventy-two".