706279349 has 2 divisors, whose sum is σ = 706279350. Its totient is φ = 706279348.

The previous prime is 706279319. The next prime is 706279363. The reversal of 706279349 is 943972607.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 693268900 + 13010449 = 26330^2 + 3607^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-706279349 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (706279309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 353139674 + 353139675.

It is an arithmetic number, because the mean of its divisors is an integer number (353139675).

Almost surely, 2^706279349 is an apocalyptic number.

It is an amenable number.

706279349 is a deficient number, since it is larger than the sum of its proper divisors (1).

706279349 is an equidigital number, since it uses as much as digits as its factorization.

706279349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 571536, while the sum is 47.

The square root of 706279349 is about 26575.9167104354. The cubic root of 706279349 is about 890.5510827650.

The spelling of 706279349 in words is "seven hundred six million, two hundred seventy-nine thousand, three hundred forty-nine".