345637694 has 8 divisors (see below), whose sum is σ = 527244120. Its totient is φ = 169889656.

The previous prime is 345637687. The next prime is 345637703. The reversal of 345637694 is 496736543.

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

It is a congruent number.

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, 1464449 + ... + 1464684.

It is an arithmetic number, because the mean of its divisors is an integer number (65905515).

Almost surely, 2^345637694 is an apocalyptic number.

345637694 is a deficient number, since it is larger than the sum of its proper divisors (181606426).

345637694 is a wasteful number, since it uses less digits than its factorization.

345637694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2929194.

The product of its digits is 1632960, while the sum is 47.

The square root of 345637694 is about 18591.3338413359. Note that the first 3 decimals coincide. The cubic root of 345637694 is about 701.7897696521.

The spelling of 345637694 in words is "three hundred forty-five million, six hundred thirty-seven thousand, six hundred ninety-four".