345698727 has 16 divisors (see below), whose sum is σ = 509726208. Its totient is φ = 206642880.

The previous prime is 345698693. The next prime is 345698737. The reversal of 345698727 is 727896543.

It is not a de Polignac number, because 345698727 - 2⁶ = 345698663 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 345698727.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345698737) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69343 + ... + 74160.

It is an arithmetic number, because the mean of its divisors is an integer number (31857888).

Almost surely, 2^345698727 is an apocalyptic number.

345698727 is a deficient number, since it is larger than the sum of its proper divisors (164027481).

345698727 is a wasteful number, since it uses less digits than its factorization.

345698727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143590.

The product of its digits is 2540160, while the sum is 51.

The square root of 345698727 is about 18592.9752057061. The cubic root of 345698727 is about 701.8310747671.

The spelling of 345698727 in words is "three hundred forty-five million, six hundred ninety-eight thousand, seven hundred twenty-seven".