7116805 has 4 divisors (see below), whose sum is σ = 8540172. Its totient is φ = 5693440.

The previous prime is 7116799. The next prime is 7116847. The reversal of 7116805 is 5086117.

It is a happy number.

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 4068289 + 3048516 = 2017^2 + 1746^2 .

It is not a de Polignac number, because 7116805 - 2¹³ = 7108613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 711676 + ... + 711685.

It is an arithmetic number, because the mean of its divisors is an integer number (2135043).

Almost surely, 2^7116805 is an apocalyptic number.

It is an amenable number.

7116805 is a deficient number, since it is larger than the sum of its proper divisors (1423367).

7116805 is a wasteful number, since it uses less digits than its factorization.

7116805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1423366.

The product of its (nonzero) digits is 1680, while the sum is 28.

The square root of 7116805 is about 2667.7340572104. The cubic root of 7116805 is about 192.3512540701.

It can be divided in two parts, 7116 and 805, that added together give a square (7921 = 89²).

The spelling of 7116805 in words is "seven million, one hundred sixteen thousand, eight hundred five".