73552980 has 24 divisors (see below), whose sum is σ = 205948512. Its totient is φ = 19614112.

The previous prime is 73552951. The next prime is 73552991. The reversal of 73552980 is 8925537.

It is a hoax number, since the sum of its digits (39) 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 7 ways as a sum of consecutive naturals, for example, 612882 + ... + 613001.

It is an arithmetic number, because the mean of its divisors is an integer number (8581188).

Almost surely, 2^73552980 is an apocalyptic number.

It is an amenable number.

73552980 is an abundant number, since it is smaller than the sum of its proper divisors (132395532).

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

73552980 is a wasteful number, since it uses less digits than its factorization.

73552980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1225895 (or 1225893 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 39.

The square root of 73552980 is about 8576.3033994840. The cubic root of 73552980 is about 418.9865588464.

The spelling of 73552980 in words is "seventy-three million, five hundred fifty-two thousand, nine hundred eighty".