72589996 has 12 divisors (see below), whose sum is σ = 129735648. Its totient is φ = 35522672.

The previous prime is 72589991. The next prime is 72589997. The reversal of 72589996 is 69998527.

It is not an unprimeable number, because it can be changed into a prime (72589991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192871 + ... + 193246.

It is an arithmetic number, because the mean of its divisors is an integer number (10811304).

Almost surely, 2^72589996 is an apocalyptic number.

It is an amenable number.

72589996 is a deficient number, since it is larger than the sum of its proper divisors (57145652).

72589996 is a wasteful number, since it uses less digits than its factorization.

72589996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386168 (or 386166 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 55.

The square root of 72589996 is about 8519.9762910468. The cubic root of 72589996 is about 417.1500091930.

The spelling of 72589996 in words is "seventy-two million, five hundred eighty-nine thousand, nine hundred ninety-six".