630673 has 4 divisors (see below), whose sum is σ = 632320. Its totient is φ = 629028.

The previous prime is 630659. The next prime is 630677. The reversal of 630673 is 376036.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 630673 - 2¹³ = 622481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (630677) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 88 + ... + 1126.

It is an arithmetic number, because the mean of its divisors is an integer number (158080).

2⁶³⁰⁶⁷³ is an apocalyptic number.

It is an amenable number.

630673 is a deficient number, since it is larger than the sum of its proper divisors (1647).

630673 is a wasteful number, since it uses less digits than its factorization.

630673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1646.

The product of its (nonzero) digits is 2268, while the sum is 25.

The square root of 630673 is about 794.1492303088. The cubic root of 630673 is about 85.7567037403.

The spelling of 630673 in words is "six hundred thirty thousand, six hundred seventy-three".