345873617 has 4 divisors (see below), whose sum is σ = 346192896. Its totient is φ = 345554340.

The previous prime is 345873571. The next prime is 345873629. The reversal of 345873617 is 716378543.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 345873617 - 2⁸ = 345873361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345873217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158009 + ... + 160182.

It is an arithmetic number, because the mean of its divisors is an integer number (86548224).

Almost surely, 2^345873617 is an apocalyptic number.

It is an amenable number.

345873617 is a deficient number, since it is larger than the sum of its proper divisors (319279).

345873617 is a wasteful number, since it uses less digits than its factorization.

345873617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319278.

The product of its digits is 423360, while the sum is 44.

The square root of 345873617 is about 18597.6777313728. The cubic root of 345873617 is about 701.9494076141.

The spelling of 345873617 in words is "three hundred forty-five million, eight hundred seventy-three thousand, six hundred seventeen".