343274042 has 4 divisors (see below), whose sum is σ = 514911066. Its totient is φ = 171637020.

The previous prime is 343273993. The next prime is 343274051. The reversal of 343274042 is 240472343.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 313254601 + 30019441 = 17699^2 + 5479^2 .

It is a super-2 number, since 2×343274042² = 235674135822035528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 343273996 and 343274014.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85818509 + ... + 85818512.

Almost surely, 2^343274042 is an apocalyptic number.

343274042 is a deficient number, since it is larger than the sum of its proper divisors (171637024).

343274042 is a wasteful number, since it uses less digits than its factorization.

343274042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171637023.

The product of its (nonzero) digits is 16128, while the sum is 29.

The square root of 343274042 is about 18527.6561388644. The cubic root of 343274042 is about 700.1863735033.

The spelling of 343274042 in words is "three hundred forty-three million, two hundred seventy-four thousand, forty-two".