342079709 has 2 divisors, whose sum is σ = 342079710. Its totient is φ = 342079708.

The previous prime is 342079697. The next prime is 342079711. The reversal of 342079709 is 907970243.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 221563225 + 120516484 = 14885^2 + 10978^2 .

It is an emirp because it is prime and its reverse (907970243) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 342079709 - 2¹⁶ = 342014173 is a prime.

Together with 342079711, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (342079739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171039854 + 171039855.

It is an arithmetic number, because the mean of its divisors is an integer number (171039855).

Almost surely, 2^342079709 is an apocalyptic number.

It is an amenable number.

342079709 is a deficient number, since it is larger than the sum of its proper divisors (1).

342079709 is an equidigital number, since it uses as much as digits as its factorization.

342079709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 95256, while the sum is 41.

The square root of 342079709 is about 18495.3969678945. The cubic root of 342079709 is about 699.3733909553.

The spelling of 342079709 in words is "three hundred forty-two million, seventy-nine thousand, seven hundred nine".