343674739 has 2 divisors, whose sum is σ = 343674740. Its totient is φ = 343674738.

The previous prime is 343674713. The next prime is 343674757. The reversal of 343674739 is 937476343.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 343674739 - 2¹¹ = 343672691 is a prime.

It is a super-2 number, since 2×343674739² = 236224652453436242, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (343674139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171837369 + 171837370.

It is an arithmetic number, because the mean of its divisors is an integer number (171837370).

Almost surely, 2^343674739 is an apocalyptic number.

343674739 is a deficient number, since it is larger than the sum of its proper divisors (1).

343674739 is an equidigital number, since it uses as much as digits as its factorization.

343674739 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1143072, while the sum is 46.

The square root of 343674739 is about 18538.4664684002. The cubic root of 343674739 is about 700.4587054701.

The spelling of 343674739 in words is "three hundred forty-three million, six hundred seventy-four thousand, seven hundred thirty-nine".