630706236 has 24 divisors (see below), whose sum is σ = 1472422224. Its totient is φ = 210124800.

The previous prime is 630706213. The next prime is 630706247. The reversal of 630706236 is 632607036.

630706236 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×630706236² = 795580712258575392, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 630706197 and 630706206.

It is a congruent number.

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, 11836 + ... + 37436.

It is an arithmetic number, because the mean of its divisors is an integer number (61350926).

Almost surely, 2^630706236 is an apocalyptic number.

It is an amenable number.

630706236 is an abundant number, since it is smaller than the sum of its proper divisors (841715988).

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

630706236 is a wasteful number, since it uses less digits than its factorization.

630706236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27661 (or 27659 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 33.

The square root of 630706236 is about 25113.8654133528. The cubic root of 630706236 is about 857.5821015208.

The spelling of 630706236 in words is "six hundred thirty million, seven hundred six thousand, two hundred thirty-six".