63912402 has 24 divisors (see below), whose sum is σ = 143606736. Its totient is φ = 21303972.

The previous prime is 63912397. The next prime is 63912467. The reversal of 63912402 is 20421936.

63912402 is a `hidden beast` number, since 639 + 1 + 24 + 0 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65268 + ... + 66239.

It is an arithmetic number, because the mean of its divisors is an integer number (5983614).

Almost surely, 2^63912402 is an apocalyptic number.

63912402 is an abundant number, since it is smaller than the sum of its proper divisors (79694334).

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

63912402 is a wasteful number, since it uses less digits than its factorization.

63912402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131524 (or 131512 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 63912402 is about 7994.5232503258. The cubic root of 63912402 is about 399.8174208415.

It can be divided in two parts, 639 and 12402, that added together give a triangular number (13041 = T₁₆₁).

The spelling of 63912402 in words is "sixty-three million, nine hundred twelve thousand, four hundred two".