73372980 has 48 divisors (see below), whose sum is σ = 207083520. Its totient is φ = 19410048.

The previous prime is 73372963. The next prime is 73372991. The reversal of 73372980 is 8927337.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2806 + ... + 12434.

It is an arithmetic number, because the mean of its divisors is an integer number (4314240).

Almost surely, 2^73372980 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73372980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103541760).

73372980 is an abundant number, since it is smaller than the sum of its proper divisors (133710540).

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

73372980 is a wasteful number, since it uses less digits than its factorization.

73372980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9768 (or 9766 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 39.

The square root of 73372980 is about 8565.8029395965. The cubic root of 73372980 is about 418.6444961799.

The spelling of 73372980 in words is "seventy-three million, three hundred seventy-two thousand, nine hundred eighty".