17107993 has 4 divisors (see below), whose sum is σ = 19552000. Its totient is φ = 14663988.

The previous prime is 17107963. The next prime is 17107997. The reversal of 17107993 is 39970171.

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, and also an emirpimes, since its reverse is a distinct semiprime: 39970171 = 107 ⋅373553.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-17107993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (17107997) 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, 1221993 + ... + 1222006.

It is an arithmetic number, because the mean of its divisors is an integer number (4888000).

Almost surely, 2^17107993 is an apocalyptic number.

It is an amenable number.

17107993 is a deficient number, since it is larger than the sum of its proper divisors (2444007).

17107993 is an equidigital number, since it uses as much as digits as its factorization.

17107993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2444006.

The product of its (nonzero) digits is 11907, while the sum is 37.

The square root of 17107993 is about 4136.1809679945. The cubic root of 17107993 is about 257.6714815917.

The spelling of 17107993 in words is "seventeen million, one hundred seven thousand, nine hundred ninety-three".