72792236 has 12 divisors (see below), whose sum is σ = 138967080. Its totient is φ = 33087360.

The previous prime is 72792221. The next prime is 72792241. The reversal of 72792236 is 63229727.

It is a happy number.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 72792236.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 827141 + ... + 827228.

It is an arithmetic number, because the mean of its divisors is an integer number (11580590).

Almost surely, 2^72792236 is an apocalyptic number.

It is an amenable number.

72792236 is a deficient number, since it is larger than the sum of its proper divisors (66174844).

72792236 is a wasteful number, since it uses less digits than its factorization.

72792236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1654384 (or 1654382 counting only the distinct ones).

The product of its digits is 63504, while the sum is 38.

The square root of 72792236 is about 8531.8366135317. The cubic root of 72792236 is about 417.5370514645.

The spelling of 72792236 in words is "seventy-two million, seven hundred ninety-two thousand, two hundred thirty-six".