72579366 has 24 divisors (see below), whose sum is σ = 160224480. Its totient is φ = 23736336.

The previous prime is 72579361. The next prime is 72579383. The reversal of 72579366 is 66397527.

72579366 is a `hidden beast` number, since 72 + 579 + 3 + 6 + 6 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72579361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37086 + ... + 38993.

It is an arithmetic number, because the mean of its divisors is an integer number (6676020).

Almost surely, 2^72579366 is an apocalyptic number.

72579366 is an abundant number, since it is smaller than the sum of its proper divisors (87645114).

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

72579366 is a wasteful number, since it uses less digits than its factorization.

72579366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76140 (or 76137 counting only the distinct ones).

The product of its digits is 476280, while the sum is 45.

The square root of 72579366 is about 8519.3524401799. The cubic root of 72579366 is about 417.1296458679.

The spelling of 72579366 in words is "seventy-two million, five hundred seventy-nine thousand, three hundred sixty-six".