706679 has 2 divisors, whose sum is σ = 706680. Its totient is φ = 706678.

The previous prime is 706669. The next prime is 706703. The reversal of 706679 is 976607.

It is a weak prime.

It is an emirp because it is prime and its reverse (976607) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 706679 - 2¹⁶ = 641143 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (706669) 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, 353339 + 353340.

It is an arithmetic number, because the mean of its divisors is an integer number (353340).

2⁷⁰⁶⁶⁷⁹ is an apocalyptic number.

706679 is a deficient number, since it is larger than the sum of its proper divisors (1).

706679 is an equidigital number, since it uses as much as digits as its factorization.

706679 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15876, while the sum is 35.

The square root of 706679 is about 840.6420165564. The cubic root of 706679 is about 89.0719025058.

The spelling of 706679 in words is "seven hundred six thousand, six hundred seventy-nine".