63863772 has 48 divisors (see below), whose sum is σ = 174273792. Its totient is φ = 17821440.

The previous prime is 63863759. The next prime is 63863791. The reversal of 63863772 is 27736836.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 5229 + ... + 12452.

It is an arithmetic number, because the mean of its divisors is an integer number (3630704).

Almost surely, 2^63863772 is an apocalyptic number.

It is an amenable number.

63863772 is an abundant number, since it is smaller than the sum of its proper divisors (110410020).

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

63863772 is a wasteful number, since it uses less digits than its factorization.

63863772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17738 (or 17736 counting only the distinct ones).

The product of its digits is 254016, while the sum is 42.

The square root of 63863772 is about 7991.4812143932. The cubic root of 63863772 is about 399.7159900603.

The spelling of 63863772 in words is "sixty-three million, eight hundred sixty-three thousand, seven hundred seventy-two".