9720772912 has 40 divisors (see below), whose sum is σ = 18907267536. Its totient is φ = 4841523456.

The previous prime is 9720772903. The next prime is 9720772933. The reversal of 9720772912 is 2192770279.

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, 6086098 + ... + 6087694.

Almost surely, 2^9720772912 is an apocalyptic number.

It is an amenable number.

9720772912 is a deficient number, since it is larger than the sum of its proper divisors (9186494624).

9720772912 is a wasteful number, since it uses less digits than its factorization.

9720772912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2845 (or 2839 counting only the distinct ones).

The product of its (nonzero) digits is 222264, while the sum is 46.

The square root of 9720772912 is about 98593.9801002069. The cubic root of 9720772912 is about 2134.1925483865.

The spelling of 9720772912 in words is "nine billion, seven hundred twenty million, seven hundred seventy-two thousand, nine hundred twelve".