72264856 has 16 divisors (see below), whose sum is σ = 136697400. Its totient is φ = 35812224.

The previous prime is 72264853. The next prime is 72264859. The reversal of 72264856 is 65846227.

It is an interprime number because it is at equal distance from previous prime (72264853) and next prime (72264859).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72264853) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39066 + ... + 40873.

Almost surely, 2^72264856 is an apocalyptic number.

It is an amenable number.

72264856 is a deficient number, since it is larger than the sum of its proper divisors (64432544).

72264856 is a wasteful number, since it uses less digits than its factorization.

72264856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80058 (or 80054 counting only the distinct ones).

The product of its digits is 161280, while the sum is 40.

The square root of 72264856 is about 8500.8738374358. The cubic root of 72264856 is about 416.5262539854.

The spelling of 72264856 in words is "seventy-two million, two hundred sixty-four thousand, eight hundred fifty-six".