706279117 has 2 divisors, whose sum is σ = 706279118. Its totient is φ = 706279116.

The previous prime is 706279087. The next prime is 706279129. The reversal of 706279117 is 711972607.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 679436356 + 26842761 = 26066^2 + 5181^2 .

It is a cyclic number.

It is not a de Polignac number, because 706279117 - 2²⁷ = 572061389 is a prime.

It is a super-2 number, since 2×706279117² = 997660382220599378, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 706279117.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (706279157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 353139558 + 353139559.

It is an arithmetic number, because the mean of its divisors is an integer number (353139559).

Almost surely, 2^706279117 is an apocalyptic number.

It is an amenable number.

706279117 is a deficient number, since it is larger than the sum of its proper divisors (1).

706279117 is an equidigital number, since it uses as much as digits as its factorization.

706279117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37044, while the sum is 40.

The square root of 706279117 is about 26575.9123455809. The cubic root of 706279117 is about 890.5509852550.

The spelling of 706279117 in words is "seven hundred six million, two hundred seventy-nine thousand, one hundred seventeen".