72642804 has 24 divisors (see below), whose sum is σ = 182538720. Its totient is φ = 22351584.

The previous prime is 72642797. The next prime is 72642821. The reversal of 72642804 is 40824627.

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, 232674 + ... + 232985.

It is an arithmetic number, because the mean of its divisors is an integer number (7605780).

Almost surely, 2^72642804 is an apocalyptic number.

It is an amenable number.

72642804 is an abundant number, since it is smaller than the sum of its proper divisors (109895916).

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

72642804 is a wasteful number, since it uses less digits than its factorization.

72642804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465679 (or 465677 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 72642804 is about 8523.0747972783. The cubic root of 72642804 is about 417.2511412092.

The spelling of 72642804 in words is "seventy-two million, six hundred forty-two thousand, eight hundred four".