63688492 has 12 divisors (see below), whose sum is σ = 127377040. Its totient is φ = 27295056.

The previous prime is 63688483. The next prime is 63688517. The reversal of 63688492 is 29488636.

It is a happy number.

63688492 is an admirable number.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1137267 + ... + 1137322.

Almost surely, 2^63688492 is an apocalyptic number.

It is an amenable number.

63688492 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

63688492 is a wasteful number, since it uses less digits than its factorization.

63688492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2274600 (or 2274598 counting only the distinct ones).

The product of its digits is 497664, while the sum is 46.

The square root of 63688492 is about 7980.5070014379. The cubic root of 63688492 is about 399.3499692222.

The spelling of 63688492 in words is "sixty-three million, six hundred eighty-eight thousand, four hundred ninety-two".