9712782672 has 40 divisors (see below), whose sum is σ = 26411955360. Its totient is φ = 3067194240.

The previous prime is 9712782671. The next prime is 9712782713. The reversal of 9712782672 is 2762872179.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9712782671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5324079 + ... + 5325902.

It is an arithmetic number, because the mean of its divisors is an integer number (660298884).

Almost surely, 2^9712782672 is an apocalyptic number.

It is an amenable number.

9712782672 is an abundant number, since it is smaller than the sum of its proper divisors (16699172688).

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

9712782672 is a wasteful number, since it uses less digits than its factorization.

9712782672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10650011 (or 10650005 counting only the distinct ones).

The product of its digits is 1185408, while the sum is 51.

The square root of 9712782672 is about 98553.4508376039. The cubic root of 9712782672 is about 2133.6076365603.

The spelling of 9712782672 in words is "nine billion, seven hundred twelve million, seven hundred eighty-two thousand, six hundred seventy-two".