7663632725 has 48 divisors (see below), whose sum is σ = 11583865728. Its totient is φ = 4909578240.

The previous prime is 7663632721. The next prime is 7663632727. The reversal of 7663632725 is 5272363667.

It is not a de Polignac number, because 7663632725 - 2² = 7663632721 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7663632725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7663632721) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 398174 + ... + 416976.

It is an arithmetic number, because the mean of its divisors is an integer number (241330536).

Almost surely, 2^7663632725 is an apocalyptic number.

It is an amenable number.

7663632725 is a deficient number, since it is larger than the sum of its proper divisors (3920233003).

7663632725 is a wasteful number, since it uses less digits than its factorization.

7663632725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18974 (or 18969 counting only the distinct ones).

The product of its digits is 1905120, while the sum is 47.

The square root of 7663632725 is about 87542.1768349405. The cubic root of 7663632725 is about 1971.5670941849.

The spelling of 7663632725 in words is "seven billion, six hundred sixty-three million, six hundred thirty-two thousand, seven hundred twenty-five".