706709 has 2 divisors, whose sum is σ = 706710. Its totient is φ = 706708.

The previous prime is 706703. The next prime is 706729. The reversal of 706709 is 907607.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 485809 + 220900 = 697^2 + 470^2 .

It is a cyclic number.

It is not a de Polignac number, because 706709 - 2¹² = 702613 is a prime.

It is a super-2 number, since 2×706709² = 998875221362, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (706703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 353354 + 353355.

It is an arithmetic number, because the mean of its divisors is an integer number (353355).

2⁷⁰⁶⁷⁰⁹ is an apocalyptic number.

It is an amenable number.

706709 is a deficient number, since it is larger than the sum of its proper divisors (1).

706709 is an equidigital number, since it uses as much as digits as its factorization.

706709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2646, while the sum is 29.

The square root of 706709 is about 840.6598598720. The cubic root of 706709 is about 89.0731629175.

The spelling of 706709 in words is "seven hundred six thousand, seven hundred nine".