630334079 has 4 divisors (see below), whose sum is σ = 630840000. Its totient is φ = 629828160.

The previous prime is 630334073. The next prime is 630334087. The reversal of 630334079 is 970433036.

630334079 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-630334079 is a prime.

It is a super-2 number, since 2×630334079² = 794642102297556482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630334073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 251087 + ... + 253584.

It is an arithmetic number, because the mean of its divisors is an integer number (157710000).

Almost surely, 2^630334079 is an apocalyptic number.

630334079 is a deficient number, since it is larger than the sum of its proper divisors (505921).

630334079 is a wasteful number, since it uses less digits than its factorization.

630334079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505920.

The product of its (nonzero) digits is 40824, while the sum is 35.

The square root of 630334079 is about 25106.4549269705. The cubic root of 630334079 is about 857.4133922451.

The spelling of 630334079 in words is "six hundred thirty million, three hundred thirty-four thousand, seventy-nine".