72976 has 10 divisors (see below), whose sum is σ = 141422. Its totient is φ = 36480.

The previous prime is 72973. The next prime is 72977. The reversal of 72976 is 67927.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 57600 + 15376 = 240^2 + 124^2 .

It is not an unprimeable number, because it can be changed into a prime (72973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2265 + ... + 2296.

2⁷²⁹⁷⁶ is an apocalyptic number.

It is an amenable number.

72976 is a deficient number, since it is larger than the sum of its proper divisors (68446).

72976 is a wasteful number, since it uses less digits than its factorization.

72976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4569 (or 4563 counting only the distinct ones).

The product of its digits is 5292, while the sum is 31.

The square root of 72976 is about 270.1407040784. The cubic root of 72976 is about 41.7888113640.

The spelling of 72976 in words is "seventy-two thousand, nine hundred seventy-six".