63704960 has 64 divisors (see below), whose sum is σ = 166158000. Its totient is φ = 23162880.

The previous prime is 63704947. The next prime is 63704981. The reversal of 63704960 is 6940736.

It is a tau number, because it is divible by the number of its divisors (64).

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 63704960.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2516 + ... + 11564.

Almost surely, 2^63704960 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63704960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83079000).

63704960 is an abundant number, since it is smaller than the sum of its proper divisors (102453040).

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

63704960 is a wasteful number, since it uses less digits than its factorization.

63704960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9079 (or 9067 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 63704960 is about 7981.5386987723. The cubic root of 63704960 is about 399.3843863690.

The spelling of 63704960 in words is "sixty-three million, seven hundred four thousand, nine hundred sixty".