345665746 has 16 divisors (see below), whose sum is σ = 546300000. Its totient is φ = 163582848.

The previous prime is 345665741. The next prime is 345665753. The reversal of 345665746 is 647566543.

It is a junction number, because it is equal to n+sod(n) for n = 345665696 and 345665705.

It is not an unprimeable number, because it can be changed into a prime (345665741) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 43821 + ... + 51103.

It is an arithmetic number, because the mean of its divisors is an integer number (34143750).

Almost surely, 2^345665746 is an apocalyptic number.

345665746 is a deficient number, since it is larger than the sum of its proper divisors (200634254).

345665746 is a wasteful number, since it uses less digits than its factorization.

345665746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8553.

The product of its digits is 1814400, while the sum is 46.

The square root of 345665746 is about 18592.0882635599. The cubic root of 345665746 is about 701.8087549213.

The spelling of 345665746 in words is "three hundred forty-five million, six hundred sixty-five thousand, seven hundred forty-six".