63405064 has 16 divisors (see below), whose sum is σ = 118969920. Its totient is φ = 31679760.

The previous prime is 63405061. The next prime is 63405077. The reversal of 63405064 is 46050436.

63405064 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (63405061) 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, 17749 + ... + 21019.

It is an arithmetic number, because the mean of its divisors is an integer number (7435620).

Almost surely, 2^63405064 is an apocalyptic number.

It is an amenable number.

63405064 is a deficient number, since it is larger than the sum of its proper divisors (55564856).

63405064 is a wasteful number, since it uses less digits than its factorization.

63405064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5700 (or 5696 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 63405064 is about 7962.7296827156. The cubic root of 63405064 is about 398.7566894512.

The spelling of 63405064 in words is "sixty-three million, four hundred five thousand, sixty-four".