72518992 has 40 divisors (see below), whose sum is σ = 172933376. Its totient is φ = 28688256.

The previous prime is 72518989. The next prime is 72519011. The reversal of 72518992 is 29981527.

It is a congruent number.

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, 23448 + ... + 26359.

Almost surely, 2^72518992 is an apocalyptic number.

It is an amenable number.

72518992 is an abundant number, since it is smaller than the sum of its proper divisors (100414384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72518992 is a wasteful number, since it uses less digits than its factorization.

72518992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49835 (or 49829 counting only the distinct ones).

The product of its digits is 90720, while the sum is 43.

The square root of 72518992 is about 8515.8083585764. The cubic root of 72518992 is about 417.0139528788.

The spelling of 72518992 in words is "seventy-two million, five hundred eighteen thousand, nine hundred ninety-two".