72837672 has 16 divisors (see below), whose sum is σ = 182094240. Its totient is φ = 24279216.

The previous prime is 72837649. The next prime is 72837727. The reversal of 72837672 is 27673827.

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, 1517428 + ... + 1517475.

It is an arithmetic number, because the mean of its divisors is an integer number (11380890).

Almost surely, 2^72837672 is an apocalyptic number.

It is an amenable number.

72837672 is an abundant number, since it is smaller than the sum of its proper divisors (109256568).

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

72837672 is a wasteful number, since it uses less digits than its factorization.

72837672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3034912 (or 3034908 counting only the distinct ones).

The product of its digits is 197568, while the sum is 42.

The square root of 72837672 is about 8534.4989308102. The cubic root of 72837672 is about 417.6239071911.

The spelling of 72837672 in words is "seventy-two million, eight hundred thirty-seven thousand, six hundred seventy-two".