342293729 has 2 divisors, whose sum is σ = 342293730. Its totient is φ = 342293728.

The previous prime is 342293719. The next prime is 342293737. The reversal of 342293729 is 927392243.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 337714129 + 4579600 = 18377^2 + 2140^2 .

It is a cyclic number.

It is not a de Polignac number, because 342293729 - 2⁸ = 342293473 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (342293719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171146864 + 171146865.

It is an arithmetic number, because the mean of its divisors is an integer number (171146865).

Almost surely, 2^342293729 is an apocalyptic number.

It is an amenable number.

342293729 is a deficient number, since it is larger than the sum of its proper divisors (1).

342293729 is an equidigital number, since it uses as much as digits as its factorization.

342293729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 163296, while the sum is 41.

The square root of 342293729 is about 18501.1818271158. The cubic root of 342293729 is about 699.5192133905.

The spelling of 342293729 in words is "three hundred forty-two million, two hundred ninety-three thousand, seven hundred twenty-nine".