63564744 has 16 divisors (see below), whose sum is σ = 158911920. Its totient is φ = 21188240.

The previous prime is 63564713. The next prime is 63564749. The reversal of 63564744 is 44746536.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (63564749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1324242 + ... + 1324289.

It is an arithmetic number, because the mean of its divisors is an integer number (9931995).

Almost surely, 2^63564744 is an apocalyptic number.

It is an amenable number.

63564744 is an abundant number, since it is smaller than the sum of its proper divisors (95347176).

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

63564744 is a wasteful number, since it uses less digits than its factorization.

63564744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2648540 (or 2648536 counting only the distinct ones).

The product of its digits is 241920, while the sum is 39.

The square root of 63564744 is about 7972.7500901508. The cubic root of 63564744 is about 399.0911532245.

The spelling of 63564744 in words is "sixty-three million, five hundred sixty-four thousand, seven hundred forty-four".