72386984 has 32 divisors (see below), whose sum is σ = 141104640. Its totient is φ = 34776000.

The previous prime is 72386939. The next prime is 72387013. The reversal of 72386984 is 48968327.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36482 + ... + 38414.

It is an arithmetic number, because the mean of its divisors is an integer number (4409520).

Almost surely, 2^72386984 is an apocalyptic number.

It is an amenable number.

72386984 is a deficient number, since it is larger than the sum of its proper divisors (68717656).

72386984 is a wasteful number, since it uses less digits than its factorization.

72386984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2121 (or 2117 counting only the distinct ones).

The product of its digits is 580608, while the sum is 47.

The square root of 72386984 is about 8508.0540665889. The cubic root of 72386984 is about 416.7607658050.

The spelling of 72386984 in words is "seventy-two million, three hundred eighty-six thousand, nine hundred eighty-four".