72268564 has 24 divisors (see below), whose sum is σ = 138233088. Its totient is φ = 32910720.

The previous prime is 72268561. The next prime is 72268577. The reversal of 72268564 is 46586227.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72268561) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 15034 + ... + 19249.

It is an arithmetic number, because the mean of its divisors is an integer number (5759712).

Almost surely, 2^72268564 is an apocalyptic number.

It is an amenable number.

72268564 is a deficient number, since it is larger than the sum of its proper divisors (65964524).

72268564 is a wasteful number, since it uses less digits than its factorization.

72268564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34335 (or 34333 counting only the distinct ones).

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

The square root of 72268564 is about 8501.0919298641. The cubic root of 72268564 is about 416.5333780243.

The spelling of 72268564 in words is "seventy-two million, two hundred sixty-eight thousand, five hundred sixty-four".