72113996 has 6 divisors (see below), whose sum is σ = 126199500. Its totient is φ = 36056996.

The previous prime is 72113959. The next prime is 72114011. The reversal of 72113996 is 69931127.

It is a happy number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 9014246 + ... + 9014253.

It is an arithmetic number, because the mean of its divisors is an integer number (21033250).

Almost surely, 2^72113996 is an apocalyptic number.

It is an amenable number.

72113996 is a deficient number, since it is larger than the sum of its proper divisors (54085504).

72113996 is a wasteful number, since it uses less digits than its factorization.

72113996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18028503 (or 18028501 counting only the distinct ones).

The product of its digits is 20412, while the sum is 38.

The square root of 72113996 is about 8491.9959962308. The cubic root of 72113996 is about 416.2362055386.

The spelling of 72113996 in words is "seventy-two million, one hundred thirteen thousand, nine hundred ninety-six".