63648672 has 24 divisors (see below), whose sum is σ = 167078016. Its totient is φ = 21216192.

The previous prime is 63648671. The next prime is 63648677. The reversal of 63648672 is 27684636.

63648672 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (63648671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 331408 + ... + 331599.

It is an arithmetic number, because the mean of its divisors is an integer number (6961584).

Almost surely, 2^63648672 is an apocalyptic number.

It is an amenable number.

63648672 is an abundant number, since it is smaller than the sum of its proper divisors (103429344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63648672 is a wasteful number, since it uses less digits than its factorization.

63648672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663020 (or 663012 counting only the distinct ones).

The product of its digits is 290304, while the sum is 42.

The square root of 63648672 is about 7978.0117823929. The cubic root of 63648672 is about 399.2667232511.

The spelling of 63648672 in words is "sixty-three million, six hundred forty-eight thousand, six hundred seventy-two".