80743 has 4 divisors (see below), whose sum is σ = 86968. Its totient is φ = 74520.

The previous prime is 80737. The next prime is 80747. The reversal of 80743 is 34708.

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 80743 - 2⁹ = 80231 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 (80747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3093 + ... + 3118.

It is an arithmetic number, because the mean of its divisors is an integer number (21742).

2⁸⁰⁷⁴³ is an apocalyptic number.

80743 is a deficient number, since it is larger than the sum of its proper divisors (6225).

80743 is a wasteful number, since it uses less digits than its factorization.

80743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6224.

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

The square root of 80743 is about 284.1531277322. The cubic root of 80743 is about 43.2216783629.

The spelling of 80743 in words is "eighty thousand, seven hundred forty-three".