342741 has 16 divisors (see below), whose sum is σ = 550400. Its totient is φ = 185328.

The previous prime is 342733. The next prime is 342757. The reversal of 342741 is 147243.

It is not a de Polignac number, because 342741 - 2³ = 342733 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31 + ... + 828.

It is an arithmetic number, because the mean of its divisors is an integer number (34400).

2³⁴²⁷⁴¹ is an apocalyptic number.

It is an amenable number.

342741 is a deficient number, since it is larger than the sum of its proper divisors (207659).

342741 is a wasteful number, since it uses less digits than its factorization.

342741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888.

The product of its digits is 672, while the sum is 21.

The square root of 342741 is about 585.4408595238. The cubic root of 342741 is about 69.9823765158.

Adding to 342741 its reverse (147243), we get a palindrome (489984).

It can be divided in two parts, 34 and 2741, that added together give a triangular number (2775 = T₇₄).

The spelling of 342741 in words is "three hundred forty-two thousand, seven hundred forty-one", and thus it is an iban number.