72814868 has 12 divisors (see below), whose sum is σ = 145629792. Its totient is φ = 31206360.

The previous prime is 72814843. The next prime is 72814879. The reversal of 72814868 is 86841827.

72814868 is an admirable number.

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, 1300238 + ... + 1300293.

It is an arithmetic number, because the mean of its divisors is an integer number (12135816).

Almost surely, 2^72814868 is an apocalyptic number.

It is an amenable number.

72814868 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

72814868 is a wasteful number, since it uses less digits than its factorization.

72814868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2600542 (or 2600540 counting only the distinct ones).

The product of its digits is 172032, while the sum is 44.

The square root of 72814868 is about 8533.1628368384. The cubic root of 72814868 is about 417.5803194461.

The spelling of 72814868 in words is "seventy-two million, eight hundred fourteen thousand, eight hundred sixty-eight".