8718065 has 4 divisors (see below), whose sum is σ = 10461684. Its totient is φ = 6974448.

The previous prime is 8718043. The next prime is 8718089. The reversal of 8718065 is 5608178.

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 4048144 + 4669921 = 2012^2 + 2161^2 .

It is a cyclic number.

It is not a de Polignac number, because 8718065 - 2⁸ = 8717809 is a prime.

It is a Duffinian number.

It is a Curzon 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, 871802 + ... + 871811.

It is an arithmetic number, because the mean of its divisors is an integer number (2615421).

Almost surely, 2^8718065 is an apocalyptic number.

It is an amenable number.

8718065 is a deficient number, since it is larger than the sum of its proper divisors (1743619).

8718065 is a wasteful number, since it uses less digits than its factorization.

8718065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1743618.

The product of its (nonzero) digits is 13440, while the sum is 35.

The square root of 8718065 is about 2952.6369570267. The cubic root of 8718065 is about 205.8132674887.

The spelling of 8718065 in words is "eight million, seven hundred eighteen thousand, sixty-five".