63670880 has 96 divisors (see below), whose sum is σ = 185177664. Its totient is φ = 20146176.

The previous prime is 63670801. The next prime is 63670891. The reversal of 63670880 is 8807636.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12374 + ... + 16746.

It is an arithmetic number, because the mean of its divisors is an integer number (1928934).

Almost surely, 2^63670880 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 63670880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92588832).

63670880 is an abundant number, since it is smaller than the sum of its proper divisors (121506784).

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

63670880 is a wasteful number, since it uses less digits than its factorization.

63670880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4408 (or 4400 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 63670880 is about 7979.4034864769. The cubic root of 63670880 is about 399.3131546169.

The spelling of 63670880 in words is "sixty-three million, six hundred seventy thousand, eight hundred eighty".