630079 has 4 divisors (see below), whose sum is σ = 644776. Its totient is φ = 615384.

The previous prime is 630067. The next prime is 630101. The reversal of 630079 is 970036.

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

It is a cyclic number.

It is not a de Polignac number, because 630079 - 2⁹ = 629567 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630029) by changing a digit.

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, 7284 + ... + 7369.

It is an arithmetic number, because the mean of its divisors is an integer number (161194).

2⁶³⁰⁰⁷⁹ is an apocalyptic number.

630079 is a deficient number, since it is larger than the sum of its proper divisors (14697).

630079 is a wasteful number, since it uses less digits than its factorization.

630079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14696.

The product of its (nonzero) digits is 1134, while the sum is 25.

The square root of 630079 is about 793.7751570817. The cubic root of 630079 is about 85.7297719373.

The spelling of 630079 in words is "six hundred thirty thousand, seventy-nine".