342705667 has 2 divisors, whose sum is σ = 342705668. Its totient is φ = 342705666.

The previous prime is 342705631. The next prime is 342705691. The reversal of 342705667 is 766507243.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 342705667 - 2²³ = 334317059 is a prime.

It is equal to p_18432499 and since 342705667 and 18432499 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (342705697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171352833 + 171352834.

It is an arithmetic number, because the mean of its divisors is an integer number (171352834).

Almost surely, 2^342705667 is an apocalyptic number.

342705667 is a deficient number, since it is larger than the sum of its proper divisors (1).

342705667 is an equidigital number, since it uses as much as digits as its factorization.

342705667 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 211680, while the sum is 40.

The square root of 342705667 is about 18512.3112279369. The cubic root of 342705667 is about 699.7997161697.

The spelling of 342705667 in words is "three hundred forty-two million, seven hundred five thousand, six hundred sixty-seven".