709974709 has 2 divisors, whose sum is σ = 709974710. Its totient is φ = 709974708.

The previous prime is 709974703. The next prime is 709974721. The reversal of 709974709 is 907479907.

709974709 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 530012484 + 179962225 = 23022^2 + 13415^2 .

It is a cyclic number.

It is not a de Polignac number, because 709974709 - 2³ = 709974701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (709974701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 354987354 + 354987355.

It is an arithmetic number, because the mean of its divisors is an integer number (354987355).

Almost surely, 2^709974709 is an apocalyptic number.

It is an amenable number.

709974709 is a deficient number, since it is larger than the sum of its proper divisors (1).

709974709 is an equidigital number, since it uses as much as digits as its factorization.

709974709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1000188, while the sum is 52.

The square root of 709974709 is about 26645.3506075638. The cubic root of 709974709 is about 892.1015476400.

The spelling of 709974709 in words is "seven hundred nine million, nine hundred seventy-four thousand, seven hundred nine".