72786318 has 16 divisors (see below), whose sum is σ = 158806656. Its totient is φ = 22056440.

The previous prime is 72786293. The next prime is 72786341. The reversal of 72786318 is 81368727.

It is a self number, because there is not a number n which added to its sum of digits gives 72786318.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 551346 + ... + 551477.

It is an arithmetic number, because the mean of its divisors is an integer number (9925416).

Almost surely, 2^72786318 is an apocalyptic number.

72786318 is an abundant number, since it is smaller than the sum of its proper divisors (86020338).

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

72786318 is a wasteful number, since it uses less digits than its factorization.

72786318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102839.

The product of its digits is 112896, while the sum is 42.

The square root of 72786318 is about 8531.4897878389. The cubic root of 72786318 is about 417.5257359206.

The spelling of 72786318 in words is "seventy-two million, seven hundred eighty-six thousand, three hundred eighteen".