342090743 has 2 divisors, whose sum is σ = 342090744. Its totient is φ = 342090742.

The previous prime is 342090733. The next prime is 342090787. The reversal of 342090743 is 347090243.

It is a weak prime.

It is an emirp because it is prime and its reverse (347090243) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-342090743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (342090703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171045371 + 171045372.

It is an arithmetic number, because the mean of its divisors is an integer number (171045372).

Almost surely, 2^342090743 is an apocalyptic number.

342090743 is a deficient number, since it is larger than the sum of its proper divisors (1).

342090743 is an equidigital number, since it uses as much as digits as its factorization.

342090743 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 342090743 is about 18495.6952559237. The cubic root of 342090743 is about 699.3809104533.

The spelling of 342090743 in words is "three hundred forty-two million, ninety thousand, seven hundred forty-three".