72576992 has 12 divisors (see below), whose sum is σ = 142886016. Its totient is φ = 36288480.

The previous prime is 72576953. The next prime is 72577003. The reversal of 72576992 is 29967527.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1133984 + ... + 1134047.

It is an arithmetic number, because the mean of its divisors is an integer number (11907168).

Almost surely, 2^72576992 is an apocalyptic number.

It is an amenable number.

72576992 is a deficient number, since it is larger than the sum of its proper divisors (70309024).

72576992 is a wasteful number, since it uses less digits than its factorization.

72576992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2268041 (or 2268033 counting only the distinct ones).

The product of its digits is 476280, while the sum is 47.

The square root of 72576992 is about 8519.2131092020. The cubic root of 72576992 is about 417.1250978508.

The spelling of 72576992 in words is "seventy-two million, five hundred seventy-six thousand, nine hundred ninety-two".