630412670 has 32 divisors (see below), whose sum is σ = 1154204640. Its totient is φ = 247864320.

The previous prime is 630412661. The next prime is 630412711. The reversal of 630412670 is 76214036.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 240326 + ... + 242934.

It is an arithmetic number, because the mean of its divisors is an integer number (36068895).

Almost surely, 2^630412670 is an apocalyptic number.

630412670 is a deficient number, since it is larger than the sum of its proper divisors (523791970).

630412670 is a wasteful number, since it uses less digits than its factorization.

630412670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3020.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 630412670 is about 25108.0200334475. The cubic root of 630412670 is about 857.4490252942.

The spelling of 630412670 in words is "six hundred thirty million, four hundred twelve thousand, six hundred seventy".