85726 has 4 divisors (see below), whose sum is σ = 128592. Its totient is φ = 42862.

The previous prime is 85717. The next prime is 85733. The reversal of 85726 is 62758.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 62758 = 2 ⋅31379.

It is a junction number, because it is equal to n+sod(n) for n = 85694 and 85703.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 21430 + ... + 21433.

It is an arithmetic number, because the mean of its divisors is an integer number (32148).

2⁸⁵⁷²⁶ is an apocalyptic number.

85726 is a deficient number, since it is larger than the sum of its proper divisors (42866).

85726 is a wasteful number, since it uses less digits than its factorization.

85726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42865.

The product of its digits is 3360, while the sum is 28.

The square root of 85726 is about 292.7900271526. The cubic root of 85726 is about 44.0931223345.

The spelling of 85726 in words is "eighty-five thousand, seven hundred twenty-six".