342129717 has 16 divisors (see below), whose sum is σ = 507144000. Its totient is φ = 227958192.

The previous prime is 342129701. The next prime is 342129719. The reversal of 342129717 is 717921243.

It is not a de Polignac number, because 342129717 - 2⁴ = 342129701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342129719) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89634 + ... + 93372.

It is an arithmetic number, because the mean of its divisors is an integer number (31696500).

Almost surely, 2^342129717 is an apocalyptic number.

It is an amenable number.

342129717 is a deficient number, since it is larger than the sum of its proper divisors (165014283).

342129717 is a wasteful number, since it uses less digits than its factorization.

342129717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7137 (or 7131 counting only the distinct ones).

The product of its digits is 21168, while the sum is 36.

The square root of 342129717 is about 18496.7488224282. The cubic root of 342129717 is about 699.4074693290.

The spelling of 342129717 in words is "three hundred forty-two million, one hundred twenty-nine thousand, seven hundred seventeen".