345047017 has 8 divisors (see below), whose sum is σ = 407937600. Its totient is φ = 285555984.

The previous prime is 345046991. The next prime is 345047029. The reversal of 345047017 is 710740543.

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

It is not a de Polignac number, because 345047017 - 2¹¹ = 345044969 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 345047017.

It is not an unprimeable number, because it can be changed into a prime (345047077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 849667 + ... + 850072.

It is an arithmetic number, because the mean of its divisors is an integer number (50992200).

Almost surely, 2^345047017 is an apocalyptic number.

It is an amenable number.

345047017 is a deficient number, since it is larger than the sum of its proper divisors (62890583).

345047017 is a wasteful number, since it uses less digits than its factorization.

345047017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1699775.

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 345047017 is about 18575.4412329829. The cubic root of 345047017 is about 701.3897675257.

The spelling of 345047017 in words is "three hundred forty-five million, forty-seven thousand, seventeen".