630944375 has 40 divisors (see below), whose sum is σ = 854838864. Its totient is φ = 463680000.

The previous prime is 630944359. The next prime is 630944401. The reversal of 630944375 is 573449036.

It is not a de Polignac number, because 630944375 - 2⁴ = 630944359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 456185 + ... + 457565.

Almost surely, 2^630944375 is an apocalyptic number.

630944375 is a deficient number, since it is larger than the sum of its proper divisors (223894489).

630944375 is a wasteful number, since it uses less digits than its factorization.

630944375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1461 (or 1446 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 41.

The square root of 630944375 is about 25118.6061516160. The cubic root of 630944375 is about 857.6900218354.

The spelling of 630944375 in words is "six hundred thirty million, nine hundred forty-four thousand, three hundred seventy-five".