63936912 has 80 divisors (see below), whose sum is σ = 180266240. Its totient is φ = 19408896.

The previous prime is 63936889. The next prime is 63936931. The reversal of 63936912 is 21963936.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48648 + ... + 49944.

It is an arithmetic number, because the mean of its divisors is an integer number (2253328).

Almost surely, 2^63936912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63936912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90133120).

63936912 is an abundant number, since it is smaller than the sum of its proper divisors (116329328).

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

63936912 is a wasteful number, since it uses less digits than its factorization.

63936912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1400 (or 1394 counting only the distinct ones).

The product of its digits is 52488, while the sum is 39.

The square root of 63936912 is about 7996.0560278177. The cubic root of 63936912 is about 399.8685234562.

The spelling of 63936912 in words is "sixty-three million, nine hundred thirty-six thousand, nine hundred twelve".