9672072872 has 64 divisors (see below), whose sum is σ = 22646131200. Its totient is φ = 3762325440.

The previous prime is 9672072869. The next prime is 9672072889. The reversal of 9672072872 is 2782702769.

It is a self number, because there is not a number n which added to its sum of digits gives 9672072872.

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, 383879 + ... + 408297.

It is an arithmetic number, because the mean of its divisors is an integer number (353845800).

Almost surely, 2^9672072872 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 9672072872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11323065600).

9672072872 is an abundant number, since it is smaller than the sum of its proper divisors (12974058328).

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

9672072872 is a wasteful number, since it uses less digits than its factorization.

9672072872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25086 (or 25082 counting only the distinct ones).

The product of its (nonzero) digits is 1185408, while the sum is 50.

The square root of 9672072872 is about 98346.6973110943. The cubic root of 9672072872 is about 2130.6225539586.

It can be divided in two parts, 967207 and 2872, that added together give a palindrome (970079).

The spelling of 9672072872 in words is "nine billion, six hundred seventy-two million, seventy-two thousand, eight hundred seventy-two".