72451804 has 24 divisors (see below), whose sum is σ = 128419200. Its totient is φ = 35764080.

The previous prime is 72451793. The next prime is 72451829. The reversal of 72451804 is 40815427.

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, 172707 + ... + 173125.

It is an arithmetic number, because the mean of its divisors is an integer number (5350800).

Almost surely, 2^72451804 is an apocalyptic number.

It is an amenable number.

72451804 is a deficient number, since it is larger than the sum of its proper divisors (55967396).

72451804 is a wasteful number, since it uses less digits than its factorization.

72451804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 873 (or 871 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 72451804 is about 8511.8625458827. The cubic root of 72451804 is about 416.8851268981.

The spelling of 72451804 in words is "seventy-two million, four hundred fifty-one thousand, eight hundred four".