72929372280 has 64 divisors (see below), whose sum is σ = 222374829600. Its totient is φ = 19129013760.

The previous prime is 72929372273. The next prime is 72929372291. The reversal of 72929372280 is 8227392927.

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, 4974195 + ... + 4988834.

Almost surely, 2^72929372280 is an apocalyptic number.

It is an amenable number.

72929372280 is an abundant number, since it is smaller than the sum of its proper divisors (149445457320).

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

72929372280 is a wasteful number, since it uses less digits than its factorization.

72929372280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9963104 (or 9963100 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 51.

The spelling of 72929372280 in words is "seventy-two billion, nine hundred twenty-nine million, three hundred seventy-two thousand, two hundred eighty".