17424993 has 4 divisors (see below), whose sum is σ = 23233328. Its totient is φ = 11616660.

The previous prime is 17424977. The next prime is 17425063. The reversal of 17424993 is 39942471.

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 not a de Polignac number, because 17424993 - 2⁴ = 17424977 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (17424923) 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, 2904163 + ... + 2904168.

It is an arithmetic number, because the mean of its divisors is an integer number (5808332).

Almost surely, 2^17424993 is an apocalyptic number.

It is an amenable number.

17424993 is a deficient number, since it is larger than the sum of its proper divisors (5808335).

17424993 is an equidigital number, since it uses as much as digits as its factorization.

17424993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5808334.

The product of its digits is 54432, while the sum is 39.

The square root of 17424993 is about 4174.3254544896. The cubic root of 17424993 is about 259.2532468293.

The spelling of 17424993 in words is "seventeen million, four hundred twenty-four thousand, nine hundred ninety-three".