17142743 has 8 divisors (see below), whose sum is σ = 17363808. Its totient is φ = 16923424.

The previous prime is 17142709. The next prime is 17142773. The reversal of 17142743 is 34724171.

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

It is a cyclic number.

It is not a de Polignac number, because 17142743 - 2¹² = 17138647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17142703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33830 + ... + 34332.

It is an arithmetic number, because the mean of its divisors is an integer number (2170476).

Almost surely, 2^17142743 is an apocalyptic number.

17142743 is a deficient number, since it is larger than the sum of its proper divisors (221065).

17142743 is a wasteful number, since it uses less digits than its factorization.

17142743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 873.

The product of its digits is 4704, while the sum is 29.

The square root of 17142743 is about 4140.3795719716. The cubic root of 17142743 is about 257.8458256008.

The spelling of 17142743 in words is "seventeen million, one hundred forty-two thousand, seven hundred forty-three".