342724 has 12 divisors (see below), whose sum is σ = 612864. Its totient is φ = 167624.

The previous prime is 342697. The next prime is 342733. The reversal of 342724 is 427243.

It is a junction number, because it is equal to n+sod(n) for n = 342695 and 342704.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 724 + ... + 1099.

It is an arithmetic number, because the mean of its divisors is an integer number (51072).

2³⁴²⁷²⁴ is an apocalyptic number.

It is an amenable number.

342724 is a deficient number, since it is larger than the sum of its proper divisors (270140).

342724 is a wasteful number, since it uses less digits than its factorization.

342724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1874 (or 1872 counting only the distinct ones).

The product of its digits is 1344, while the sum is 22.

The square root of 342724 is about 585.4263403708. The cubic root of 342724 is about 69.9812194515.

Adding to 342724 its reverse (427243), we get a palindrome (769967).

The spelling of 342724 in words is "three hundred forty-two thousand, seven hundred twenty-four", and thus it is an iban number.