342627709 has 2 divisors, whose sum is σ = 342627710. Its totient is φ = 342627708.

The previous prime is 342627683. The next prime is 342627713. The reversal of 342627709 is 907726243.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 194518809 + 148108900 = 13947^2 + 12170^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-342627709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (342625709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171313854 + 171313855.

It is an arithmetic number, because the mean of its divisors is an integer number (171313855).

Almost surely, 2^342627709 is an apocalyptic number.

It is an amenable number.

342627709 is a deficient number, since it is larger than the sum of its proper divisors (1).

342627709 is an equidigital number, since it uses as much as digits as its factorization.

342627709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 127008, while the sum is 40.

The square root of 342627709 is about 18510.2055364061. The cubic root of 342627709 is about 699.7466491322.

The spelling of 342627709 in words is "three hundred forty-two million, six hundred twenty-seven thousand, seven hundred nine".