8726563 has 4 divisors (see below), whose sum is σ = 8939448. Its totient is φ = 8513680.

The previous prime is 8726533. The next prime is 8726569. The reversal of 8726563 is 3656278.

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

It is a cyclic number.

It is not a de Polignac number, because 8726563 - 2⁹ = 8726051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8726569) 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, 106381 + ... + 106462.

It is an arithmetic number, because the mean of its divisors is an integer number (2234862).

Almost surely, 2^8726563 is an apocalyptic number.

8726563 is a deficient number, since it is larger than the sum of its proper divisors (212885).

8726563 is a wasteful number, since it uses less digits than its factorization.

8726563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212884.

The product of its digits is 60480, while the sum is 37.

The square root of 8726563 is about 2954.0756591530. The cubic root of 8726563 is about 205.8801184535.

The spelling of 8726563 in words is "eight million, seven hundred twenty-six thousand, five hundred sixty-three".