9643672320 has 144 divisors (see below), whose sum is σ = 31551200352. Its totient is φ = 2508881920.

The previous prime is 9643672303. The next prime is 9643672333. The reversal of 9643672320 is 232763469.

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, 126814 + ... + 188066.

It is an arithmetic number, because the mean of its divisors is an integer number (219105558).

Almost surely, 2^9643672320 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 9643672320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15775600176).

9643672320 is an abundant number, since it is smaller than the sum of its proper divisors (21907528032).

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

9643672320 is a wasteful number, since it uses less digits than its factorization.

9643672320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61318 (or 61304 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 42.

The square root of 9643672320 is about 98202.2011973255. The cubic root of 9643672320 is about 2128.5350944870.

The spelling of 9643672320 in words is "nine billion, six hundred forty-three million, six hundred seventy-two thousand, three hundred twenty".