72983966 has 16 divisors (see below), whose sum is σ = 119560320. Its totient is φ = 33137880.

The previous prime is 72983917. The next prime is 72983987. The reversal of 72983966 is 66938927.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34775 + ... + 36813.

It is an arithmetic number, because the mean of its divisors is an integer number (7472520).

Almost surely, 2^72983966 is an apocalyptic number.

72983966 is a deficient number, since it is larger than the sum of its proper divisors (46576354).

72983966 is a wasteful number, since it uses less digits than its factorization.

72983966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3679.

The product of its digits is 979776, while the sum is 50.

The square root of 72983966 is about 8543.0653749108. The cubic root of 72983966 is about 417.9033185279.

The spelling of 72983966 in words is "seventy-two million, nine hundred eighty-three thousand, nine hundred sixty-six".