72267264 has 60 divisors (see below), whose sum is σ = 208581516. Its totient is φ = 24087552.

The previous prime is 72267263. The next prime is 72267277. The reversal of 72267264 is 46276227.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72267263) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3234 + ... + 12449.

Almost surely, 2^72267264 is an apocalyptic number.

It is an amenable number.

72267264 is an abundant number, since it is smaller than the sum of its proper divisors (136314252).

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

72267264 is a wasteful number, since it uses less digits than its factorization.

72267264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15707 (or 15688 counting only the distinct ones).

The product of its digits is 56448, while the sum is 36.

The square root of 72267264 is about 8501.0154687543. The cubic root of 72267264 is about 416.5308804116.

The spelling of 72267264 in words is "seventy-two million, two hundred sixty-seven thousand, two hundred sixty-four".