630772 has 12 divisors (see below), whose sum is σ = 1115296. Its totient is φ = 312120.

The previous prime is 630737. The next prime is 630797. The reversal of 630772 is 277036.

It is a congruent number.

It is an unprimeable number.

630772 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 354 + ... + 1177.

2⁶³⁰⁷⁷² is an apocalyptic number.

It is an amenable number.

630772 is a deficient number, since it is larger than the sum of its proper divisors (484524).

630772 is a wasteful number, since it uses less digits than its factorization.

630772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1638 (or 1636 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 25.

The square root of 630772 is about 794.2115587172. The cubic root of 630772 is about 85.7611907298.

The spelling of 630772 in words is "six hundred thirty thousand, seven hundred seventy-two".