9752172916 has 24 divisors (see below), whose sum is σ = 17487368136. Its totient is φ = 4755847680.

The previous prime is 9752172877. The next prime is 9752172931. The reversal of 9752172916 is 6192712579.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1697110416 + 8055062500 = 41196^2 + 89750^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 9752172916.

It is a congruent number.

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, 886200 + ... + 897136.

It is an arithmetic number, because the mean of its divisors is an integer number (728640339).

Almost surely, 2^9752172916 is an apocalyptic number.

It is an amenable number.

9752172916 is a deficient number, since it is larger than the sum of its proper divisors (7735195220).

9752172916 is a wasteful number, since it uses less digits than its factorization.

9752172916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16419 (or 16417 counting only the distinct ones).

The product of its digits is 476280, while the sum is 49.

The square root of 9752172916 is about 98753.0906655584. The cubic root of 9752172916 is about 2136.4880321105.

The spelling of 9752172916 in words is "nine billion, seven hundred fifty-two million, one hundred seventy-two thousand, nine hundred sixteen".