630907716 has 12 divisors (see below), whose sum is σ = 1472118032. Its totient is φ = 210302568.

The previous prime is 630907699. The next prime is 630907751. The reversal of 630907716 is 617709036.

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

It is a super-2 number, since 2×630907716² = 796089092216673312, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26287810 + ... + 26287833.

Almost surely, 2^630907716 is an apocalyptic number.

It is an amenable number.

630907716 is an abundant number, since it is smaller than the sum of its proper divisors (841210316).

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

630907716 is a wasteful number, since it uses less digits than its factorization.

630907716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52575650 (or 52575648 counting only the distinct ones).

The product of its (nonzero) digits is 47628, while the sum is 39.

The square root of 630907716 is about 25117.8764229781. The cubic root of 630907716 is about 857.6734104040.

The spelling of 630907716 in words is "six hundred thirty million, nine hundred seven thousand, seven hundred sixteen".