345665768 has 16 divisors (see below), whose sum is σ = 740712480. Its totient is φ = 148142448.

The previous prime is 345665759. The next prime is 345665809. The reversal of 345665768 is 867566543.

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, 3086246 + ... + 3086357.

It is an arithmetic number, because the mean of its divisors is an integer number (46294530).

Almost surely, 2^345665768 is an apocalyptic number.

It is an amenable number.

345665768 is an abundant number, since it is smaller than the sum of its proper divisors (395046712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

345665768 is a wasteful number, since it uses less digits than its factorization.

345665768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6172616 (or 6172612 counting only the distinct ones).

The product of its digits is 3628800, while the sum is 50.

The square root of 345665768 is about 18592.0888552094. The cubic root of 345665768 is about 701.8087698102.

The spelling of 345665768 in words is "three hundred forty-five million, six hundred sixty-five thousand, seven hundred sixty-eight".