9672710656 has 80 divisors (see below), whose sum is σ = 22148850240. Its totient is φ = 4133928960.

The previous prime is 9672710639. The next prime is 9672710657. The reversal of 9672710656 is 6560172769.

It is a super-2 number, since 2×9672710656² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9672710657) 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, 1354776 + ... + 1361896.

It is an arithmetic number, because the mean of its divisors is an integer number (276860628).

Almost surely, 2^9672710656 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 9672710656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11074425120).

9672710656 is an abundant number, since it is smaller than the sum of its proper divisors (12476139584).

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

9672710656 is an equidigital number, since it uses as much as digits as its factorization.

9672710656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7525 (or 7509 counting only the distinct ones).

The product of its (nonzero) digits is 952560, while the sum is 49.

The square root of 9672710656 is about 98349.9397864584. The cubic root of 9672710656 is about 2130.6693845648.

The spelling of 9672710656 in words is "nine billion, six hundred seventy-two million, seven hundred ten thousand, six hundred fifty-six".