7272565625 has 48 divisors (see below), whose sum is σ = 10128570480. Its totient is φ = 5184480000.

The previous prime is 7272565613. The next prime is 7272565667. The reversal of 7272565625 is 5265652727.

It can be written as a sum of positive squares in 24 ways, for example, as 2912868841 + 4359696784 = 53971^2 + 66028^2 .

It is not a de Polignac number, because 7272565625 - 2⁸ = 7272565369 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7272565625.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1175039 + ... + 1181211.

It is an arithmetic number, because the mean of its divisors is an integer number (211011885).

Almost surely, 2^7272565625 is an apocalyptic number.

It is an amenable number.

7272565625 is a deficient number, since it is larger than the sum of its proper divisors (2856004855).

7272565625 is an equidigital number, since it uses as much as digits as its factorization.

7272565625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6240 (or 6220 counting only the distinct ones).

The product of its digits is 1764000, while the sum is 47.

The square root of 7272565625 is about 85279.3387931684. The cubic root of 7272565625 is about 1937.4442578483. Note that the first 3 decimals are identical.

The spelling of 7272565625 in words is "seven billion, two hundred seventy-two million, five hundred sixty-five thousand, six hundred twenty-five".