342507 has 16 divisors (see below), whose sum is σ = 508032. Its totient is φ = 203520.

The previous prime is 342497. The next prime is 342521. The reversal of 342507 is 705243.

It is a happy number.

It is not a de Polignac number, because 342507 - 2⁷ = 342379 is a prime.

It is a super-2 number, since 2×342507² = 234622090098, which contains 22 as substring.

It is a d-powerful number, because it can be written as 3⁷ + 4⁹ + 5⁷ + 2 + 0 + 7² .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 342507.

It is not an unprimeable number, because it can be changed into a prime (342527) 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, 3148 + ... + 3254.

It is an arithmetic number, because the mean of its divisors is an integer number (31752).

2³⁴²⁵⁰⁷ is an apocalyptic number.

342507 is a deficient number, since it is larger than the sum of its proper divisors (165525).

342507 is a wasteful number, since it uses less digits than its factorization.

342507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218.

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 342507 is about 585.2409760090. The cubic root of 342507 is about 69.9664465042.

The spelling of 342507 in words is "three hundred forty-two thousand, five hundred seven".