71726 has 4 divisors (see below), whose sum is σ = 107592. Its totient is φ = 35862.

The previous prime is 71719. The next prime is 71741. The reversal of 71726 is 62717.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 62717 = 59 ⋅1063.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17930 + ... + 17933.

It is an arithmetic number, because the mean of its divisors is an integer number (26898).

2⁷¹⁷²⁶ is an apocalyptic number.

71726 is a deficient number, since it is larger than the sum of its proper divisors (35866).

71726 is a wasteful number, since it uses less digits than its factorization.

71726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35865.

The product of its digits is 588, while the sum is 23.

The square root of 71726 is about 267.8171017691. The cubic root of 71726 is about 41.5488368793.

Subtracting from 71726 its reverse (62717), we obtain a palindrome (9009).

It can be divided in two parts, 71 and 726, that added together give a palindrome (797).

The spelling of 71726 in words is "seventy-one thousand, seven hundred twenty-six".