342742609 has 8 divisors (see below), whose sum is σ = 374297760. Its totient is φ = 311253600.

The previous prime is 342742597. The next prime is 342742633. The reversal of 342742609 is 906247243.

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 342742609 - 2¹¹ = 342740561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (342742639) 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, 5364 + ... + 26725.

It is an arithmetic number, because the mean of its divisors is an integer number (46787220).

Almost surely, 2^342742609 is an apocalyptic number.

It is an amenable number.

342742609 is a deficient number, since it is larger than the sum of its proper divisors (31555151).

342742609 is a wasteful number, since it uses less digits than its factorization.

342742609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33071.

The product of its (nonzero) digits is 72576, while the sum is 37.

The square root of 342742609 is about 18513.3089694954. The cubic root of 342742609 is about 699.8248602654.

The spelling of 342742609 in words is "three hundred forty-two million, seven hundred forty-two thousand, six hundred nine".