342897743 has 2 divisors, whose sum is σ = 342897744. Its totient is φ = 342897742.

The previous prime is 342897733. The next prime is 342897761. The reversal of 342897743 is 347798243.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 342897743 - 2⁶ = 342897679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (342897733) by changing a digit.

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 as a sum of consecutive naturals, namely, 171448871 + 171448872.

It is an arithmetic number, because the mean of its divisors is an integer number (171448872).

Almost surely, 2^342897743 is an apocalyptic number.

342897743 is a deficient number, since it is larger than the sum of its proper divisors (1).

342897743 is an equidigital number, since it uses as much as digits as its factorization.

342897743 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1016064, while the sum is 47.

The square root of 342897743 is about 18517.4982921560. The cubic root of 342897743 is about 699.9304305010.

The spelling of 342897743 in words is "three hundred forty-two million, eight hundred ninety-seven thousand, seven hundred forty-three".