632630064 has 80 divisors (see below), whose sum is σ = 1800670464. Its totient is φ = 189792000.

The previous prime is 632630057. The next prime is 632630077. The reversal of 632630064 is 460036236.

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, 47397 + ... + 59259.

Almost surely, 2^632630064 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 632630064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (900335232).

632630064 is an abundant number, since it is smaller than the sum of its proper divisors (1168040400).

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

632630064 is a wasteful number, since it uses less digits than its factorization.

632630064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11986 (or 11980 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 30.

The square root of 632630064 is about 25152.1383583981. The cubic root of 632630064 is about 858.4531704445.

The spelling of 632630064 in words is "six hundred thirty-two million, six hundred thirty thousand, sixty-four".