630664332 has 24 divisors (see below), whose sum is σ = 1472053296. Its totient is φ = 210149568.

The previous prime is 630664303. The next prime is 630664369. The reversal of 630664332 is 233466036.

It is a junction number, because it is equal to n+sod(n) for n = 630664293 and 630664302.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36978 + ... + 51270.

It is an arithmetic number, because the mean of its divisors is an integer number (61335554).

Almost surely, 2^630664332 is an apocalyptic number.

It is an amenable number.

630664332 is an abundant number, since it is smaller than the sum of its proper divisors (841388964).

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

630664332 is a wasteful number, since it uses less digits than its factorization.

630664332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17977 (or 17975 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 33.

The square root of 630664332 is about 25113.0311193213. The cubic root of 630664332 is about 857.5631085706.

The spelling of 630664332 in words is "six hundred thirty million, six hundred sixty-four thousand, three hundred thirty-two".