72462864 has 20 divisors (see below), whose sum is σ = 187195856. Its totient is φ = 24154272.

The previous prime is 72462853. The next prime is 72462877. The reversal of 72462864 is 46826427.

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 an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 754774 + ... + 754869.

Almost surely, 2^72462864 is an apocalyptic number.

It is an amenable number.

72462864 is an abundant number, since it is smaller than the sum of its proper divisors (114732992).

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

72462864 is a wasteful number, since it uses less digits than its factorization.

72462864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1509654 (or 1509648 counting only the distinct ones).

The product of its digits is 129024, while the sum is 39.

The square root of 72462864 is about 8512.5122026344. The cubic root of 72462864 is about 416.9063387688.

The spelling of 72462864 in words is "seventy-two million, four hundred sixty-two thousand, eight hundred sixty-four".