342905770 has 8 divisors (see below), whose sum is σ = 617230404. Its totient is φ = 137162304.

The previous prime is 342905753. The next prime is 342905791. The reversal of 342905770 is 77509243.

It can be written as a sum of positive squares in 2 ways, for example, as 336098889 + 6806881 = 18333^2 + 2609^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 17145279 + ... + 17145298.

Almost surely, 2^342905770 is an apocalyptic number.

342905770 is a deficient number, since it is larger than the sum of its proper divisors (274324634).

342905770 is a wasteful number, since it uses less digits than its factorization.

342905770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34290584.

The product of its (nonzero) digits is 52920, while the sum is 37.

The square root of 342905770 is about 18517.7150318283. The cubic root of 342905770 is about 699.9358920882.

The spelling of 342905770 in words is "three hundred forty-two million, nine hundred five thousand, seven hundred seventy".