26718 has 16 divisors (see below), whose sum is σ = 55056. Its totient is φ = 8640.

The previous prime is 26717. The next prime is 26723. The reversal of 26718 is 81762.

It is a Curzon number.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 330 + ... + 402.

It is an arithmetic number, because the mean of its divisors is an integer number (3441).

2²⁶⁷¹⁸ is an apocalyptic number.

26718 is an abundant number, since it is smaller than the sum of its proper divisors (28338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27528).

26718 is a wasteful number, since it uses less digits than its factorization.

26718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139.

The product of its digits is 672, while the sum is 24.

The square root of 26718 is about 163.4564162093. The cubic root of 26718 is about 29.8951898094.

The spelling of 26718 in words is "twenty-six thousand, seven hundred eighteen".