7322764320 has 144 divisors (see below), whose sum is σ = 25331611032. Its totient is φ = 1925959680.

The previous prime is 7322764303. The next prime is 7322764321. The reversal of 7322764320 is 234672237.

7322764320 is a `hidden beast` number, since 7 + 3 + 2 + 2 + 7 + 643 + 2 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 4194375696 + 3128388624 = 64764^2 + 55932^2 .

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (7322764321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70290 + ... + 139950.

Almost surely, 2^7322764320 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 7322764320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12665805516).

7322764320 is an abundant number, since it is smaller than the sum of its proper divisors (18008846712).

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

7322764320 is a wasteful number, since it uses less digits than its factorization.

7322764320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69755 (or 69744 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 36.

The square root of 7322764320 is about 85573.1518643552. The cubic root of 7322764320 is about 1941.8917600939.

The spelling of 7322764320 in words is "seven billion, three hundred twenty-two million, seven hundred sixty-four thousand, three hundred twenty".