72552976 has 20 divisors (see below), whose sum is σ = 140959852. Its totient is φ = 36176256.

The previous prime is 72552947. The next prime is 72553037. The reversal of 72552976 is 67925527.

It can be written as a sum of positive squares in 2 ways, for example, as 18147600 + 54405376 = 4260^2 + 7376^2 .

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, 111 + ... + 12046.

Almost surely, 2^72552976 is an apocalyptic number.

It is an amenable number.

72552976 is a deficient number, since it is larger than the sum of its proper divisors (68406876).

72552976 is a wasteful number, since it uses less digits than its factorization.

72552976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12538 (or 12532 counting only the distinct ones).

The product of its digits is 264600, while the sum is 43.

The square root of 72552976 is about 8517.8034727270. The cubic root of 72552976 is about 417.0790833530.

The spelling of 72552976 in words is "seventy-two million, five hundred fifty-two thousand, nine hundred seventy-six".