342770837 has 2 divisors, whose sum is σ = 342770838. Its totient is φ = 342770836.

The previous prime is 342770833. The next prime is 342770839. The reversal of 342770837 is 738077243.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 336575716 + 6195121 = 18346^2 + 2489^2 .

It is a cyclic number.

It is not a de Polignac number, because 342770837 - 2² = 342770833 is a prime.

Together with 342770839, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 342770794 and 342770803.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (342770833) 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, 171385418 + 171385419.

It is an arithmetic number, because the mean of its divisors is an integer number (171385419).

Almost surely, 2^342770837 is an apocalyptic number.

It is an amenable number.

342770837 is a deficient number, since it is larger than the sum of its proper divisors (1).

342770837 is an equidigital number, since it uses as much as digits as its factorization.

342770837 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 197568, while the sum is 41.

The square root of 342770837 is about 18514.0713242658. The cubic root of 342770837 is about 699.8440720717.

The spelling of 342770837 in words is "three hundred forty-two million, seven hundred seventy thousand, eight hundred thirty-seven".