342158717 has 4 divisors (see below), whose sum is σ = 346489920. Its totient is φ = 337827516.

The previous prime is 342158693. The next prime is 342158743. The reversal of 342158717 is 717851243.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 717851243 = 6521 ⋅110083.

It is a cyclic number.

It is not a de Polignac number, because 342158717 - 2⁸ = 342158461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342158777) 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 in 3 ways as a sum of consecutive naturals, for example, 2165483 + ... + 2165640.

It is an arithmetic number, because the mean of its divisors is an integer number (86622480).

Almost surely, 2^342158717 is an apocalyptic number.

It is an amenable number.

342158717 is a deficient number, since it is larger than the sum of its proper divisors (4331203).

342158717 is an equidigital number, since it uses as much as digits as its factorization.

342158717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4331202.

The product of its digits is 47040, while the sum is 38.

The square root of 342158717 is about 18497.5327273666. The cubic root of 342158717 is about 699.4272301025.

The spelling of 342158717 in words is "three hundred forty-two million, one hundred fifty-eight thousand, seven hundred seventeen".