63931068 has 36 divisors (see below), whose sum is σ = 162224608. Its totient is φ = 21228480.

The previous prime is 63931037. The next prime is 63931069. The reversal of 63931068 is 86013936.

It is a happy number.

63931068 is a `hidden beast` number, since 639 + 3 + 10 + 6 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63931069) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6480 + ... + 13032.

Almost surely, 2^63931068 is an apocalyptic number.

It is an amenable number.

63931068 is an abundant number, since it is smaller than the sum of its proper divisors (98293540).

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

63931068 is a wasteful number, since it uses less digits than its factorization.

63931068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6834 (or 6829 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 63931068 is about 7995.6905893112. The cubic root of 63931068 is about 399.8563400774.

The spelling of 63931068 in words is "sixty-three million, nine hundred thirty-one thousand, sixty-eight".