342774643 has 2 divisors, whose sum is σ = 342774644. Its totient is φ = 342774642.

The previous prime is 342774631. The next prime is 342774671. The reversal of 342774643 is 346477243.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 342774643 - 2¹³ = 342766451 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 342774596 and 342774605.

It is not a weakly prime, because it can be changed into another prime (342774673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171387321 + 171387322.

It is an arithmetic number, because the mean of its divisors is an integer number (171387322).

Almost surely, 2^342774643 is an apocalyptic number.

342774643 is a deficient number, since it is larger than the sum of its proper divisors (1).

342774643 is an equidigital number, since it uses as much as digits as its factorization.

342774643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 338688, while the sum is 40.

The square root of 342774643 is about 18514.1741106645. The cubic root of 342774643 is about 699.8466623316.

The spelling of 342774643 in words is "three hundred forty-two million, seven hundred seventy-four thousand, six hundred forty-three".