8743 has 4 divisors (see below), whose sum is σ = 10000. Its totient is φ = 7488.

The previous prime is 8741. The next prime is 8747. The reversal of 8743 is 3478.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8743 - 2¹ = 8741 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is the 94-th Hogben number.

It is a Duffinian number.

It is a plaindrome in base 15 and base 16.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8741) by changing a digit.

It is a nontrivial repunit in base 93.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 618 + ... + 631.

It is an arithmetic number, because the mean of its divisors is an integer number (2500).

2⁸⁷⁴³ is an apocalyptic number.

8743 is a deficient number, since it is larger than the sum of its proper divisors (1257).

8743 is a wasteful number, since it uses less digits than its factorization.

8743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1256.

The product of its digits is 672, while the sum is 22.

The square root of 8743 is about 93.5040106092. The cubic root of 8743 is about 20.6009299860.

Adding to 8743 its reverse (3478), we get a palindrome (12221).

It can be divided in two parts, 87 and 43, that multiplied together give a triangular number (3741 = T₈₆).

The spelling of 8743 in words is "eight thousand, seven hundred forty-three".