791005 has 4 divisors (see below), whose sum is σ = 949212. Its totient is φ = 632800.

The previous prime is 791003. The next prime is 791009. The reversal of 791005 is 500197.

791005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 116964 + 674041 = 342^2 + 821^2 .

It is not a de Polignac number, because 791005 - 2¹ = 791003 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (791003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79096 + ... + 79105.

It is an arithmetic number, because the mean of its divisors is an integer number (237303).

2⁷⁹¹⁰⁰⁵ is an apocalyptic number.

It is an amenable number.

791005 is a deficient number, since it is larger than the sum of its proper divisors (158207).

791005 is a wasteful number, since it uses less digits than its factorization.

791005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158206.

The product of its (nonzero) digits is 315, while the sum is 22.

The square root of 791005 is about 889.3846187112. The cubic root of 791005 is about 92.4825387055.

The spelling of 791005 in words is "seven hundred ninety-one thousand, five".