72302264 has 32 divisors (see below), whose sum is σ = 140160240. Its totient is φ = 34944000.

The previous prime is 72302257. The next prime is 72302267. The reversal of 72302264 is 46220327.

It is a Smith number, since the sum of its digits (26) 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 (72302267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33704 + ... + 35784.

Almost surely, 2^72302264 is an apocalyptic number.

It is an amenable number.

72302264 is a deficient number, since it is larger than the sum of its proper divisors (67857976).

72302264 is a wasteful number, since it uses less digits than its factorization.

72302264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2231 (or 2227 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 72302264 is about 8503.0737971630. The cubic root of 72302264 is about 416.5981133795.

The spelling of 72302264 in words is "seventy-two million, three hundred two thousand, two hundred sixty-four".