79105 has 8 divisors (see below), whose sum is σ = 102312. Its totient is φ = 58368.

The previous prime is 79103. The next prime is 79111. The reversal of 79105 is 50197.

It can be written as a sum of positive squares in 4 ways, for example, as 144 + 78961 = 12^2 + 281^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 79105 - 2¹ = 79103 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 544 + ... + 673.

It is an arithmetic number, because the mean of its divisors is an integer number (12789).

2⁷⁹¹⁰⁵ is an apocalyptic number.

It is an amenable number.

79105 is a deficient number, since it is larger than the sum of its proper divisors (23207).

79105 is a wasteful number, since it uses less digits than its factorization.

79105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1235.

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

The square root of 79105 is about 281.2561110447. The cubic root of 79105 is about 42.9274059068.

The spelling of 79105 in words is "seventy-nine thousand, one hundred five".