72982940 has 12 divisors (see below), whose sum is σ = 153264216. Its totient is φ = 29193168.

The previous prime is 72982939. The next prime is 72982951. The reversal of 72982940 is 4928927.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1824554 + ... + 1824593.

It is an arithmetic number, because the mean of its divisors is an integer number (12772018).

Almost surely, 2^72982940 is an apocalyptic number.

It is an amenable number.

72982940 is an abundant number, since it is smaller than the sum of its proper divisors (80281276).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72982940 is a wasteful number, since it uses less digits than its factorization.

72982940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3649156 (or 3649154 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 72982940 is about 8543.0053259962. The cubic root of 72982940 is about 417.9013602401.

The spelling of 72982940 in words is "seventy-two million, nine hundred eighty-two thousand, nine hundred forty".