342743407 has 2 divisors, whose sum is σ = 342743408. Its totient is φ = 342743406.

The previous prime is 342743393. The next prime is 342743519. The reversal of 342743407 is 704347243.

It is a weak prime.

It is an emirp because it is prime and its reverse (704347243) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 342743407 - 2¹¹ = 342741359 is a prime.

It is a super-3 number, since 3×342743407³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (342744407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171371703 + 171371704.

It is an arithmetic number, because the mean of its divisors is an integer number (171371704).

Almost surely, 2^342743407 is an apocalyptic number.

342743407 is a deficient number, since it is larger than the sum of its proper divisors (1).

342743407 is an equidigital number, since it uses as much as digits as its factorization.

342743407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56448, while the sum is 34.

The square root of 342743407 is about 18513.3305215458. The cubic root of 342743407 is about 699.8254033939.

The spelling of 342743407 in words is "three hundred forty-two million, seven hundred forty-three thousand, four hundred seven".