72710488920 has 64 divisors (see below), whose sum is σ = 218366604000. Its totient is φ = 19368562688.

The previous prime is 72710488889. The next prime is 72710488927. The reversal of 72710488920 is 2988401727.

It is a self number, because there is not a number n which added to its sum of digits gives 72710488920.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72710488927) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 214635 + ... + 437594.

Almost surely, 2^72710488920 is an apocalyptic number.

It is an amenable number.

72710488920 is an abundant number, since it is smaller than the sum of its proper divisors (145656115080).

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

72710488920 is a wasteful number, since it uses less digits than its factorization.

72710488920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653172 (or 653168 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 48.

The spelling of 72710488920 in words is "seventy-two billion, seven hundred ten million, four hundred eighty-eight thousand, nine hundred twenty".