72757964 has 12 divisors (see below), whose sum is σ = 128563344. Its totient is φ = 36025584.

The previous prime is 72757957. The next prime is 72757999. The reversal of 72757964 is 46975727.

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, 87887 + ... + 88710.

It is an arithmetic number, because the mean of its divisors is an integer number (10713612).

Almost surely, 2^72757964 is an apocalyptic number.

It is an amenable number.

72757964 is a deficient number, since it is larger than the sum of its proper divisors (55805380).

72757964 is a wasteful number, since it uses less digits than its factorization.

72757964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176704 (or 176702 counting only the distinct ones).

The product of its digits is 740880, while the sum is 47.

The square root of 72757964 is about 8529.8278997879. The cubic root of 72757964 is about 417.4715129905.

The spelling of 72757964 in words is "seventy-two million, seven hundred fifty-seven thousand, nine hundred sixty-four".