72941980 has 24 divisors (see below), whose sum is σ = 153735120. Its totient is φ = 29070720.

The previous prime is 72941971. The next prime is 72941987. The reversal of 72941980 is 8914927.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72941987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 870 + ... + 12109.

It is an arithmetic number, because the mean of its divisors is an integer number (6405630).

Almost surely, 2^72941980 is an apocalyptic number.

It is an amenable number.

72941980 is an abundant number, since it is smaller than the sum of its proper divisors (80793140).

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

72941980 is a wasteful number, since it uses less digits than its factorization.

72941980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13269 (or 13267 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 72941980 is about 8540.6077067150. The cubic root of 72941980 is about 417.8231664278.

The spelling of 72941980 in words is "seventy-two million, nine hundred forty-one thousand, nine hundred eighty".