630975 has 24 divisors (see below), whose sum is σ = 1071360. Its totient is φ = 327520.

The previous prime is 630967. The next prime is 630997. The reversal of 630975 is 579036.

It is not a de Polignac number, because 630975 - 2³ = 630967 is a prime.

It is a congruent number.

It is an unprimeable number.

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 in 23 ways as a sum of consecutive naturals, for example, 3436 + ... + 3614.

It is an arithmetic number, because the mean of its divisors is an integer number (44640).

2⁶³⁰⁹⁷⁵ is an apocalyptic number.

630975 is a deficient number, since it is larger than the sum of its proper divisors (440385).

630975 is a wasteful number, since it uses less digits than its factorization.

630975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239 (or 234 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 30.

The square root of 630975 is about 794.3393481378. The cubic root of 630975 is about 85.7703898564.

The spelling of 630975 in words is "six hundred thirty thousand, nine hundred seventy-five".