7320772160 has 112 divisors (see below), whose sum is σ = 18870966576. Its totient is φ = 2689032192.

The previous prime is 7320772139. The next prime is 7320772201. The reversal of 7320772160 is 612770237.

It can be written as a sum of positive squares in 8 ways, for example, as 38539264 + 7282232896 = 6208^2 + 85336^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 7320772160.

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, 815054 + ... + 823986.

It is an arithmetic number, because the mean of its divisors is an integer number (168490773).

Almost surely, 2^7320772160 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 7320772160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9435483288).

7320772160 is an abundant number, since it is smaller than the sum of its proper divisors (11550194416).

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

7320772160 is a wasteful number, since it uses less digits than its factorization.

7320772160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9160 (or 9150 counting only the distinct ones).

The product of its (nonzero) digits is 24696, while the sum is 35.

The square root of 7320772160 is about 85561.5109731005. The cubic root of 7320772160 is about 1941.7156467308.

The spelling of 7320772160 in words is "seven billion, three hundred twenty million, seven hundred seventy-two thousand, one hundred sixty".