79081726 has 4 divisors (see below), whose sum is σ = 118622592. Its totient is φ = 39540862.

The previous prime is 79081699. The next prime is 79081729. The reversal of 79081726 is 62718097.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79081729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19770430 + ... + 19770433.

It is an arithmetic number, because the mean of its divisors is an integer number (29655648).

Almost surely, 2^79081726 is an apocalyptic number.

79081726 is a deficient number, since it is larger than the sum of its proper divisors (39540866).

79081726 is a wasteful number, since it uses less digits than its factorization.

79081726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39540865.

The product of its (nonzero) digits is 42336, while the sum is 40.

The square root of 79081726 is about 8892.7906755978. The cubic root of 79081726 is about 429.2319550949.

The spelling of 79081726 in words is "seventy-nine million, eighty-one thousand, seven hundred twenty-six".