342775 has 6 divisors (see below), whose sum is σ = 425072. Its totient is φ = 274200.

The previous prime is 342761. The next prime is 342791. The reversal of 342775 is 577243.

It is not a de Polignac number, because 342775 - 2⁷ = 342647 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6831 + ... + 6880.

2³⁴²⁷⁷⁵ is an apocalyptic number.

342775 is a deficient number, since it is larger than the sum of its proper divisors (82297).

342775 is a wasteful number, since it uses less digits than its factorization.

342775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13721 (or 13716 counting only the distinct ones).

The product of its digits is 5880, while the sum is 28.

The square root of 342775 is about 585.4698967496. The cubic root of 342775 is about 69.9846905295.

It can be divided in two parts, 34 and 2775, that added together give a square (2809 = 53²).

The spelling of 342775 in words is "three hundred forty-two thousand, seven hundred seventy-five".