72204515452 has 12 divisors (see below), whose sum is σ = 126388312960. Its totient is φ = 36093568896.

The previous prime is 72204515447. The next prime is 72204515519. The reversal of 72204515452 is 25451540227.

It is a congruent number.

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, 2153493 + ... + 2186764.

Almost surely, 2^72204515452 is an apocalyptic number.

It is an amenable number.

72204515452 is a deficient number, since it is larger than the sum of its proper divisors (54183797508).

72204515452 is a wasteful number, since it uses less digits than its factorization.

72204515452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4344420 (or 4344418 counting only the distinct ones).

The product of its (nonzero) digits is 112000, while the sum is 37.

The spelling of 72204515452 in words is "seventy-two billion, two hundred four million, five hundred fifteen thousand, four hundred fifty-two".