9720718080 has 144 divisors (see below), whose sum is σ = 31090907904. Its totient is φ = 2588405760.

The previous prime is 9720718061. The next prime is 9720718097. The reversal of 9720718080 is 808170279.

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, 3481485 + ... + 3484275.

Almost surely, 2^9720718080 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 9720718080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15545453952).

9720718080 is an abundant number, since it is smaller than the sum of its proper divisors (21370189824).

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

9720718080 is a wasteful number, since it uses less digits than its factorization.

9720718080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3722 (or 3708 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 42.

The square root of 9720718080 is about 98593.7020300993. The cubic root of 9720718080 is about 2134.1885355963.

The spelling of 9720718080 in words is "nine billion, seven hundred twenty million, seven hundred eighteen thousand, eighty".