630973 has 12 divisors (see below), whose sum is σ = 747840. Its totient is φ = 530712.

The previous prime is 630967. The next prime is 630997. The reversal of 630973 is 379036.

630973 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 630973 - 2⁵ = 630941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630473) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3790 + ... + 3952.

It is an arithmetic number, because the mean of its divisors is an integer number (62320).

2⁶³⁰⁹⁷³ is an apocalyptic number.

It is an amenable number.

630973 is a deficient number, since it is larger than the sum of its proper divisors (116867).

630973 is a wasteful number, since it uses less digits than its factorization.

630973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256 (or 249 counting only the distinct ones).

The product of its (nonzero) digits is 3402, while the sum is 28.

The square root of 630973 is about 794.3380892290. The cubic root of 630973 is about 85.7702992343.

The spelling of 630973 in words is "six hundred thirty thousand, nine hundred seventy-three".