63864762 has 24 divisors (see below), whose sum is σ = 138312864. Its totient is φ = 19650384.

The previous prime is 63864751. The next prime is 63864763. The reversal of 63864762 is 26746836.

It is not an unprimeable number, because it can be changed into a prime (63864763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30478 + ... + 32505.

It is an arithmetic number, because the mean of its divisors is an integer number (5763036).

Almost surely, 2^63864762 is an apocalyptic number.

63864762 is an abundant number, since it is smaller than the sum of its proper divisors (74448102).

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

63864762 is a wasteful number, since it uses less digits than its factorization.

63864762 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63014 (or 63001 counting only the distinct ones).

The product of its digits is 290304, while the sum is 42.

The square root of 63864762 is about 7991.5431551109. The cubic root of 63864762 is about 399.7180554816.

The spelling of 63864762 in words is "sixty-three million, eight hundred sixty-four thousand, seven hundred sixty-two".