72956788 has 6 divisors (see below), whose sum is σ = 127674386. Its totient is φ = 36478392.

The previous prime is 72956761. The next prime is 72956797. The reversal of 72956788 is 88765927.

It can be written as a sum of positive squares in only one way, i.e., 72114064 + 842724 = 8492^2 + 918^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9119595 + ... + 9119602.

Almost surely, 2^72956788 is an apocalyptic number.

It is an amenable number.

72956788 is a deficient number, since it is larger than the sum of its proper divisors (54717598).

72956788 is a wasteful number, since it uses less digits than its factorization.

72956788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18239201 (or 18239199 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 52.

The square root of 72956788 is about 8541.4745799540. The cubic root of 72956788 is about 417.8514387013.

The spelling of 72956788 in words is "seventy-two million, nine hundred fifty-six thousand, seven hundred eighty-eight".