342079739 has 2 divisors, whose sum is σ = 342079740. Its totient is φ = 342079738.

The previous prime is 342079733. The next prime is 342079747. The reversal of 342079739 is 937970243.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 342079739 - 2¹⁶ = 342014203 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 342079739.

It is not a weakly prime, because it can be changed into another prime (342079733) 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, 171039869 + 171039870.

It is an arithmetic number, because the mean of its divisors is an integer number (171039870).

Almost surely, 2^342079739 is an apocalyptic number.

342079739 is a deficient number, since it is larger than the sum of its proper divisors (1).

342079739 is an equidigital number, since it uses as much as digits as its factorization.

342079739 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 285768, while the sum is 44.

The square root of 342079739 is about 18495.3977789071. The cubic root of 342079739 is about 699.3734114001.

The spelling of 342079739 in words is "three hundred forty-two million, seventy-nine thousand, seven hundred thirty-nine".