9713620928 has 56 divisors (see below), whose sum is σ = 21224467584. Its totient is φ = 4373984000.

The previous prime is 9713620927. The next prime is 9713620949. The reversal of 9713620928 is 8290263179.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9713620927) 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, 10853 + ... + 139803.

Almost surely, 2^9713620928 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 9713620928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10612233792).

9713620928 is an abundant number, since it is smaller than the sum of its proper divisors (11510846656).

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

9713620928 is a wasteful number, since it uses less digits than its factorization.

9713620928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129081 (or 129071 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 9713620928 is about 98557.7035446748. The cubic root of 9713620928 is about 2133.6690147123.

The spelling of 9713620928 in words is "nine billion, seven hundred thirteen million, six hundred twenty thousand, nine hundred twenty-eight".