63625648 has 20 divisors (see below), whose sum is σ = 123407280. Its totient is φ = 31778624.

The previous prime is 63625643. The next prime is 63625693. The reversal of 63625648 is 84652636.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 63625648.

It is not an unprimeable number, because it can be changed into a prime (63625643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20418 + ... + 23326.

It is an arithmetic number, because the mean of its divisors is an integer number (6170364).

Almost surely, 2^63625648 is an apocalyptic number.

It is an amenable number.

63625648 is a deficient number, since it is larger than the sum of its proper divisors (59781632).

63625648 is a wasteful number, since it uses less digits than its factorization.

63625648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4284 (or 4278 counting only the distinct ones).

The product of its digits is 207360, while the sum is 40.

The square root of 63625648 is about 7976.5686858448. The cubic root of 63625648 is about 399.2185744293.

The spelling of 63625648 in words is "sixty-three million, six hundred twenty-five thousand, six hundred forty-eight".