342542737 has 2 divisors, whose sum is σ = 342542738. Its totient is φ = 342542736.

The previous prime is 342542729. The next prime is 342542747. The reversal of 342542737 is 737245243.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 294156801 + 48385936 = 17151^2 + 6956^2 .

It is a cyclic number.

It is not a de Polignac number, because 342542737 - 2³ = 342542729 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 342542696 and 342542705.

It is not a weakly prime, because it can be changed into another prime (342542747) 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, 171271368 + 171271369.

It is an arithmetic number, because the mean of its divisors is an integer number (171271369).

Almost surely, 2^342542737 is an apocalyptic number.

It is an amenable number.

342542737 is a deficient number, since it is larger than the sum of its proper divisors (1).

342542737 is an equidigital number, since it uses as much as digits as its factorization.

342542737 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 141120, while the sum is 37.

The square root of 342542737 is about 18507.9101197299. The cubic root of 342542737 is about 699.6887984031.

The spelling of 342542737 in words is "three hundred forty-two million, five hundred forty-two thousand, seven hundred thirty-seven".