679005007 has 4 divisors (see below), whose sum is σ = 718946496. Its totient is φ = 639063520.

The previous prime is 679004999. The next prime is 679005023. The reversal of 679005007 is 700500976.

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 679005007 - 2³ = 679004999 is a prime.

It is a super-2 number, since 2×679005007² = 922095599062140098, 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 (679005037) 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, 19970719 + ... + 19970752.

It is an arithmetic number, because the mean of its divisors is an integer number (179736624).

Almost surely, 2^679005007 is an apocalyptic number.

679005007 is a deficient number, since it is larger than the sum of its proper divisors (39941489).

679005007 is a wasteful number, since it uses less digits than its factorization.

679005007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39941488.

The product of its (nonzero) digits is 13230, while the sum is 34.

The square root of 679005007 is about 26057.7245169259. The cubic root of 679005007 is about 878.9368216609.

The spelling of 679005007 in words is "six hundred seventy-nine million, five thousand, seven".