630172 has 6 divisors (see below), whose sum is σ = 1102808. Its totient is φ = 315084.

The previous prime is 630169. The next prime is 630181. The reversal of 630172 is 271036.

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 as a sum of consecutive naturals, namely, 78768 + ... + 78775.

2⁶³⁰¹⁷² is an apocalyptic number.

It is an amenable number.

630172 is a deficient number, since it is larger than the sum of its proper divisors (472636).

630172 is a wasteful number, since it uses less digits than its factorization.

630172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157547 (or 157545 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 630172 is about 793.8337357407. The cubic root of 630172 is about 85.7339896500.

The spelling of 630172 in words is "six hundred thirty thousand, one hundred seventy-two".