7116845 has 4 divisors (see below), whose sum is σ = 8540220. Its totient is φ = 5693472.

The previous prime is 7116799. The next prime is 7116847. The reversal of 7116845 is 5486117.

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 5080516 + 2036329 = 2254^2 + 1427^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7116845 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7116847) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 711680 + ... + 711689.

It is an arithmetic number, because the mean of its divisors is an integer number (2135055).

Almost surely, 2^7116845 is an apocalyptic number.

It is an amenable number.

7116845 is a deficient number, since it is larger than the sum of its proper divisors (1423375).

7116845 is a wasteful number, since it uses less digits than its factorization.

7116845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1423374.

The product of its digits is 6720, while the sum is 32.

The square root of 7116845 is about 2667.7415541990. The cubic root of 7116845 is about 192.3516144394.

The spelling of 7116845 in words is "seven million, one hundred sixteen thousand, eight hundred forty-five".