342738907 has 8 divisors (see below), whose sum is σ = 405208800. Its totient is φ = 283645824.

The previous prime is 342738859. The next prime is 342738917. The reversal of 342738907 is 709837243.

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

It is not a de Polignac number, because 342738907 - 2⁷ = 342738779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (342738917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 843982 + ... + 844387.

It is an arithmetic number, because the mean of its divisors is an integer number (50651100).

Almost surely, 2^342738907 is an apocalyptic number.

342738907 is a deficient number, since it is larger than the sum of its proper divisors (62469893).

342738907 is a wasteful number, since it uses less digits than its factorization.

342738907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1688405.

The product of its (nonzero) digits is 254016, while the sum is 43.

The square root of 342738907 is about 18513.2089870989. The cubic root of 342738907 is about 699.8223406283.

The spelling of 342738907 in words is "three hundred forty-two million, seven hundred thirty-eight thousand, nine hundred seven".