63722625 has 32 divisors (see below), whose sum is σ = 106614144. Its totient is φ = 33800000.

The previous prime is 63722597. The next prime is 63722629. The reversal of 63722625 is 52622736.

It is a happy number.

It is not a de Polignac number, because 63722625 - 2²⁰ = 62674049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63722629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 93787 + ... + 94463.

It is an arithmetic number, because the mean of its divisors is an integer number (3331692).

Almost surely, 2^63722625 is an apocalyptic number.

It is an amenable number.

63722625 is a deficient number, since it is larger than the sum of its proper divisors (42891519).

63722625 is a wasteful number, since it uses less digits than its factorization.

63722625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946 (or 936 counting only the distinct ones).

The product of its digits is 30240, while the sum is 33.

The square root of 63722625 is about 7982.6452382653. The cubic root of 63722625 is about 399.4212985821.

The spelling of 63722625 in words is "sixty-three million, seven hundred twenty-two thousand, six hundred twenty-five".