345372685 has 16 divisors (see below), whose sum is σ = 483734016. Its totient is φ = 231787008.

The previous prime is 345372679. The next prime is 345372691. The reversal of 345372685 is 586273543.

It is an interprime number because it is at equal distance from previous prime (345372679) and next prime (345372691).

It is a cyclic number.

It is not a de Polignac number, because 345372685 - 2²¹ = 343275533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103332 + ... + 106621.

It is an arithmetic number, because the mean of its divisors is an integer number (30233376).

Almost surely, 2^345372685 is an apocalyptic number.

345372685 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

345372685 is a deficient number, since it is larger than the sum of its proper divisors (138361331).

345372685 is a wasteful number, since it uses less digits than its factorization.

345372685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210012.

The product of its digits is 604800, while the sum is 43.

The square root of 345372685 is about 18584.2052560770. The cubic root of 345372685 is about 701.6103639135.

The spelling of 345372685 in words is "three hundred forty-five million, three hundred seventy-two thousand, six hundred eighty-five".