630704 has 10 divisors (see below), whose sum is σ = 1222020. Its totient is φ = 315344.

The previous prime is 630701. The next prime is 630709. The reversal of 630704 is 407036.

It is not an unprimeable number, because it can be changed into a prime (630701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19694 + ... + 19725.

It is an arithmetic number, because the mean of its divisors is an integer number (122202).

2⁶³⁰⁷⁰⁴ is an apocalyptic number.

It is an amenable number.

630704 is a deficient number, since it is larger than the sum of its proper divisors (591316).

630704 is a wasteful number, since it uses less digits than its factorization.

630704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39427 (or 39421 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 630704 is about 794.1687478112. The cubic root of 630704 is about 85.7581088077.

The spelling of 630704 in words is "six hundred thirty thousand, seven hundred four".