630753866 has 8 divisors (see below), whose sum is σ = 946653024. Its totient is φ = 315202860.

The previous prime is 630753841. The next prime is 630753889. The reversal of 630753866 is 668357036.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 82460 + ... + 89783.

It is an arithmetic number, because the mean of its divisors is an integer number (118331628).

Almost surely, 2^630753866 is an apocalyptic number.

630753866 is a deficient number, since it is larger than the sum of its proper divisors (315899158).

630753866 is a wasteful number, since it uses less digits than its factorization.

630753866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174076.

The product of its (nonzero) digits is 544320, while the sum is 44.

The square root of 630753866 is about 25114.8136763943. The cubic root of 630753866 is about 857.6036887537.

The spelling of 630753866 in words is "six hundred thirty million, seven hundred fifty-three thousand, eight hundred sixty-six".