79726 has 4 divisors (see below), whose sum is σ = 119592. Its totient is φ = 39862.

The previous prime is 79699. The next prime is 79757. The reversal of 79726 is 62797.

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: 62797 = 7 ⋅8971.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a plaindrome in base 8.

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, 19930 + ... + 19933.

It is an arithmetic number, because the mean of its divisors is an integer number (29898).

2⁷⁹⁷²⁶ is an apocalyptic number.

79726 is a deficient number, since it is larger than the sum of its proper divisors (39866).

79726 is a wasteful number, since it uses less digits than its factorization.

79726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39865.

The product of its digits is 5292, while the sum is 31.

The square root of 79726 is about 282.3579288775. The cubic root of 79726 is about 43.0394446062.

The spelling of 79726 in words is "seventy-nine thousand, seven hundred twenty-six".