72868494 has 32 divisors (see below), whose sum is σ = 156280320. Its totient is φ = 22568832.

The previous prime is 72868469. The next prime is 72868513. The reversal of 72868494 is 49486827.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3537 + ... + 12579.

It is an arithmetic number, because the mean of its divisors is an integer number (4883760).

Almost surely, 2^72868494 is an apocalyptic number.

72868494 is an abundant number, since it is smaller than the sum of its proper divisors (83411826).

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

72868494 is a wasteful number, since it uses less digits than its factorization.

72868494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9144.

The product of its digits is 774144, while the sum is 48.

The square root of 72868494 is about 8536.3044697340. The cubic root of 72868494 is about 417.6828061486.

The spelling of 72868494 in words is "seventy-two million, eight hundred sixty-eight thousand, four hundred ninety-four".