63708 has 12 divisors (see below), whose sum is σ = 148680. Its totient is φ = 21232.

The previous prime is 63703. The next prime is 63709. The reversal of 63708 is 80736.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2643 + ... + 2666.

It is an arithmetic number, because the mean of its divisors is an integer number (12390).

2⁶³⁷⁰⁸ is an apocalyptic number.

It is an amenable number.

63708 is an abundant number, since it is smaller than the sum of its proper divisors (84972).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74340).

63708 is a wasteful number, since it uses less digits than its factorization.

63708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5316 (or 5314 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 63708 is about 252.4044373619. The cubic root of 63708 is about 39.9390739141.

The spelling of 63708 in words is "sixty-three thousand, seven hundred eight".