72225368 has 16 divisors (see below), whose sum is σ = 135535680. Its totient is φ = 36082528.

The previous prime is 72225343. The next prime is 72225407. The reversal of 72225368 is 86352227.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8921 + ... + 14967.

It is an arithmetic number, because the mean of its divisors is an integer number (8470980).

Almost surely, 2^72225368 is an apocalyptic number.

It is an amenable number.

72225368 is a deficient number, since it is larger than the sum of its proper divisors (63310312).

72225368 is a wasteful number, since it uses less digits than its factorization.

72225368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7546 (or 7542 counting only the distinct ones).

The product of its digits is 40320, while the sum is 35.

The square root of 72225368 is about 8498.5509353066. The cubic root of 72225368 is about 416.4503720772.

The spelling of 72225368 in words is "seventy-two million, two hundred twenty-five thousand, three hundred sixty-eight".