7628332625 has 16 divisors (see below), whose sum is σ = 9561054672. Its totient is φ = 6076451200.

The previous prime is 7628332601. The next prime is 7628332643. The reversal of 7628332625 is 5262338267.

It can be written as a sum of positive squares in 8 ways, for example, as 4564488721 + 3063843904 = 67561^2 + 55352^2 .

It is a de Polignac number, because none of the positive numbers 2^k-7628332625 is a prime.

It is a Duffinian number.

It is a Curzon number.

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, 101834 + ... + 160083.

It is an arithmetic number, because the mean of its divisors is an integer number (597565917).

Almost surely, 2^7628332625 is an apocalyptic number.

It is an amenable number.

7628332625 is a deficient number, since it is larger than the sum of its proper divisors (1932722047).

7628332625 is a wasteful number, since it uses less digits than its factorization.

7628332625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262165 (or 262155 counting only the distinct ones).

The product of its digits is 725760, while the sum is 44.

The square root of 7628332625 is about 87340.3264534774. The cubic root of 7628332625 is about 1968.5353010182.

The spelling of 7628332625 in words is "seven billion, six hundred twenty-eight million, three hundred thirty-two thousand, six hundred twenty-five".