72368936 has 32 divisors (see below), whose sum is σ = 141319080. Its totient is φ = 34713600.

The previous prime is 72368927. The next prime is 72368939. The reversal of 72368936 is 63986327.

It can be written as a sum of positive squares in 4 ways, for example, as 3976036 + 68392900 = 1994^2 + 8270^2 .

It is not an unprimeable number, because it can be changed into a prime (72368939) 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, 18200 + ... + 21816.

Almost surely, 2^72368936 is an apocalyptic number.

It is an amenable number.

72368936 is a deficient number, since it is larger than the sum of its proper divisors (68950144).

72368936 is a wasteful number, since it uses less digits than its factorization.

72368936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3725 (or 3721 counting only the distinct ones).

The product of its digits is 326592, while the sum is 44.

The square root of 72368936 is about 8506.9933584081. The cubic root of 72368936 is about 416.7261264123.

The spelling of 72368936 in words is "seventy-two million, three hundred sixty-eight thousand, nine hundred thirty-six".