342730861 has 8 divisors (see below), whose sum is σ = 374089248. Its totient is φ = 311406000.

The previous prime is 342730841. The next prime is 342730907. The reversal of 342730861 is 168037243.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 342730861 - 2¹⁵ = 342698093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342730841) 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, 16131 + ... + 30751.

It is an arithmetic number, because the mean of its divisors is an integer number (46761156).

Almost surely, 2^342730861 is an apocalyptic number.

It is an amenable number.

342730861 is a deficient number, since it is larger than the sum of its proper divisors (31358387).

342730861 is a wasteful number, since it uses less digits than its factorization.

342730861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16763.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 342730861 is about 18512.9916815192. The cubic root of 342730861 is about 699.8168643367.

The spelling of 342730861 in words is "three hundred forty-two million, seven hundred thirty thousand, eight hundred sixty-one".