63973064 has 16 divisors (see below), whose sum is σ = 120867120. Its totient is φ = 31741840.

The previous prime is 63973027. The next prime is 63973087. The reversal of 63973064 is 46037936.

It is a happy number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 29474 + ... + 31569.

It is an arithmetic number, because the mean of its divisors is an integer number (7554195).

Almost surely, 2^63973064 is an apocalyptic number.

It is an amenable number.

63973064 is a deficient number, since it is larger than the sum of its proper divisors (56894056).

63973064 is a wasteful number, since it uses less digits than its factorization.

63973064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61180 (or 61176 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 38.

The square root of 63973064 is about 7998.3163228269. The cubic root of 63973064 is about 399.9438754588.

The spelling of 63973064 in words is "sixty-three million, nine hundred seventy-three thousand, sixty-four".