82718 has 8 divisors (see below), whose sum is σ = 126360. Its totient is φ = 40600.

The previous prime is 82699. The next prime is 82721. The reversal of 82718 is 81728.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

82718 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233 + ... + 468.

It is an arithmetic number, because the mean of its divisors is an integer number (15795).

2⁸²⁷¹⁸ is an apocalyptic number.

82718 is a deficient number, since it is larger than the sum of its proper divisors (43642).

82718 is a wasteful number, since it uses less digits than its factorization.

82718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762.

The product of its digits is 896, while the sum is 26.

The square root of 82718 is about 287.6073712546. The cubic root of 82718 is about 43.5712488955.

Subtracting from 82718 its reverse (81728), we obtain a triangular number (990 = T₄₄).

The spelling of 82718 in words is "eighty-two thousand, seven hundred eighteen".