345372686 has 8 divisors (see below), whose sum is σ = 520227360. Its totient is φ = 171963568.

The previous prime is 345372679. The next prime is 345372691. The reversal of 345372686 is 686273543.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 360791 + ... + 361746.

It is an arithmetic number, because the mean of its divisors is an integer number (65028420).

Almost surely, 2^345372686 is an apocalyptic number.

345372686 is a deficient number, since it is larger than the sum of its proper divisors (174854674).

345372686 is a wasteful number, since it uses less digits than its factorization.

345372686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722778.

The product of its digits is 725760, while the sum is 44.

The square root of 345372686 is about 18584.2052829816. The cubic root of 345372686 is about 701.6103645906.

The spelling of 345372686 in words is "three hundred forty-five million, three hundred seventy-two thousand, six hundred eighty-six".