349568745 has 16 divisors (see below), whose sum is σ = 588747840. Its totient is φ = 176624064.

The previous prime is 349568719. The next prime is 349568753. The reversal of 349568745 is 547865943.

It is not a de Polignac number, because 349568745 - 2¹⁰ = 349567721 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 612994 + ... + 613563.

It is an arithmetic number, because the mean of its divisors is an integer number (36796740).

Almost surely, 2^349568745 is an apocalyptic number.

It is an amenable number.

349568745 is a deficient number, since it is larger than the sum of its proper divisors (239179095).

349568745 is a wasteful number, since it uses less digits than its factorization.

349568745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1226584.

The product of its digits is 3628800, while the sum is 51.

The square root of 349568745 is about 18696.7576066012. The cubic root of 349568745 is about 704.4403082617.

The spelling of 349568745 in words is "three hundred forty-nine million, five hundred sixty-eight thousand, seven hundred forty-five".