63564718 has 8 divisors (see below), whose sum is σ = 108968112. Its totient is φ = 27242016.

The previous prime is 63564713. The next prime is 63564749. The reversal of 63564718 is 81746536.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63564713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2270155 + ... + 2270182.

It is an arithmetic number, because the mean of its divisors is an integer number (13621014).

Almost surely, 2^63564718 is an apocalyptic number.

63564718 is a deficient number, since it is larger than the sum of its proper divisors (45403394).

63564718 is a wasteful number, since it uses less digits than its factorization.

63564718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4540346.

The product of its digits is 120960, while the sum is 40.

The square root of 63564718 is about 7972.7484595966. The cubic root of 63564718 is about 399.0910988108.

The spelling of 63564718 in words is "sixty-three million, five hundred sixty-four thousand, seven hundred eighteen".