72974884 has 6 divisors (see below), whose sum is σ = 127706054. Its totient is φ = 36487440.

The previous prime is 72974851. The next prime is 72974903. The reversal of 72974884 is 48847927.

It can be written as a sum of positive squares in only one way, i.e., 42614784 + 30360100 = 6528^2 + 5510^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9121857 + ... + 9121864.

Almost surely, 2^72974884 is an apocalyptic number.

It is an amenable number.

72974884 is a deficient number, since it is larger than the sum of its proper divisors (54731170).

72974884 is a wasteful number, since it uses less digits than its factorization.

72974884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18243725 (or 18243723 counting only the distinct ones).

The product of its digits is 903168, while the sum is 49.

The square root of 72974884 is about 8542.5338161461. The cubic root of 72974884 is about 417.8859834172.

The spelling of 72974884 in words is "seventy-two million, nine hundred seventy-four thousand, eight hundred eighty-four".