679207 has 2 divisors, whose sum is σ = 679208. Its totient is φ = 679206.

The previous prime is 679183. The next prime is 679219. The reversal of 679207 is 702976.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-679207 is a prime.

It is a super-2 number, since 2×679207² = 922644297698, which contains 22 as substring.

679207 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (679277) 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 as a sum of consecutive naturals, namely, 339603 + 339604.

It is an arithmetic number, because the mean of its divisors is an integer number (339604).

2⁶⁷⁹²⁰⁷ is an apocalyptic number.

679207 is a deficient number, since it is larger than the sum of its proper divisors (1).

679207 is an equidigital number, since it uses as much as digits as its factorization.

679207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 679207 is about 824.1401579829. The cubic root of 679207 is about 87.9023969513.

The spelling of 679207 in words is "six hundred seventy-nine thousand, two hundred seven".