7320947775625 has 45 divisors (see below), whose sum is σ = 10056543542353. Its totient is φ = 5323784510000.

The previous prime is 7320947775607. The next prime is 7320947775649. The reversal of 7320947775625 is 5265777490237.

The square root of 7320947775625 is 2705725.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 2 ways, for example, as 573962305609 + 6746985470016 = 757603^2 + 2597496^2 .

It is not a de Polignac number, because 7320947775625 - 2⁵ = 7320947775593 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 744069456 + ... + 744079294.

Almost surely, 2^{7320947775625} is an apocalyptic number.

7320947775625 is the 2705725-th square number.

7320947775625 is the 1352863-rd centered octagonal number.

It is an amenable number.

7320947775625 is a deficient number, since it is larger than the sum of its proper divisors (2735595766728).

7320947775625 is an frugal number, since it uses more digits than its factorization.

7320947775625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19720 (or 9855 counting only the distinct ones).

The product of its (nonzero) digits is 155584800, while the sum is 64.

Multiplying 7320947775625 by its sum of digits (64), we get a square (468540657640000 = 21645800²).

The spelling of 7320947775625 in words is "seven trillion, three hundred twenty billion, nine hundred forty-seven million, seven hundred seventy-five thousand, six hundred twenty-five".