342752689 has 2 divisors, whose sum is σ = 342752690. Its totient is φ = 342752688.

The previous prime is 342752687. The next prime is 342752741. The reversal of 342752689 is 986257243.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 339112225 + 3640464 = 18415^2 + 1908^2 .

It is a cyclic number.

It is not a de Polignac number, because 342752689 - 2¹ = 342752687 is a prime.

Together with 342752687, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (342752687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171376344 + 171376345.

It is an arithmetic number, because the mean of its divisors is an integer number (171376345).

Almost surely, 2^342752689 is an apocalyptic number.

It is an amenable number.

342752689 is a deficient number, since it is larger than the sum of its proper divisors (1).

342752689 is an equidigital number, since it uses as much as digits as its factorization.

342752689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 725760, while the sum is 46.

The square root of 342752689 is about 18513.5812040783. The cubic root of 342752689 is about 699.8317207736.

The spelling of 342752689 in words is "three hundred forty-two million, seven hundred fifty-two thousand, six hundred eighty-nine".