342766681 has 2 divisors, whose sum is σ = 342766682. Its totient is φ = 342766680.

The previous prime is 342766673. The next prime is 342766691. The reversal of 342766681 is 186667243.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 237006025 + 105760656 = 15395^2 + 10284^2 .

It is a cyclic number.

It is not a de Polignac number, because 342766681 - 2³ = 342766673 is a prime.

It is a super-2 number, since 2×342766681² = 234977995207511522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (342766621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171383340 + 171383341.

It is an arithmetic number, because the mean of its divisors is an integer number (171383341).

Almost surely, 2^342766681 is an apocalyptic number.

It is an amenable number.

342766681 is a deficient number, since it is larger than the sum of its proper divisors (1).

342766681 is an equidigital number, since it uses as much as digits as its factorization.

342766681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 43.

The square root of 342766681 is about 18513.9590849715. The cubic root of 342766681 is about 699.8412435894.

The spelling of 342766681 in words is "three hundred forty-two million, seven hundred sixty-six thousand, six hundred eighty-one".