63866672 has 10 divisors (see below), whose sum is σ = 123741708. Its totient is φ = 31933328.

The previous prime is 63866659. The next prime is 63866689. The reversal of 63866672 is 27666836.

63866672 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1995818 + ... + 1995849.

Almost surely, 2^63866672 is an apocalyptic number.

It is an amenable number.

63866672 is a deficient number, since it is larger than the sum of its proper divisors (59875036).

63866672 is a wasteful number, since it uses less digits than its factorization.

63866672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3991675 (or 3991669 counting only the distinct ones).

The product of its digits is 435456, while the sum is 44.

The square root of 63866672 is about 7991.6626555430. The cubic root of 63866672 is about 399.7220402240.

The spelling of 63866672 in words is "sixty-three million, eight hundred sixty-six thousand, six hundred seventy-two".