72472368 has 20 divisors (see below), whose sum is σ = 187220408. Its totient is φ = 24157440.

The previous prime is 72472349. The next prime is 72472391. The reversal of 72472368 is 86327427.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

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, 754873 + ... + 754968.

Almost surely, 2^72472368 is an apocalyptic number.

It is an amenable number.

72472368 is an abundant number, since it is smaller than the sum of its proper divisors (114748040).

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

72472368 is a wasteful number, since it uses less digits than its factorization.

72472368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1509852 (or 1509846 counting only the distinct ones).

The product of its digits is 112896, while the sum is 39.

The square root of 72472368 is about 8513.0704214167. The cubic root of 72472368 is about 416.9245646775.

The spelling of 72472368 in words is "seventy-two million, four hundred seventy-two thousand, three hundred sixty-eight".