8720059 has 4 divisors (see below), whose sum is σ = 9099216. Its totient is φ = 8340904.

The previous prime is 8720057. The next prime is 8720071. The reversal of 8720059 is 9500278.

8720059 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 8720059 - 2¹ = 8720057 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8720059.

It is not an unprimeable number, because it can be changed into a prime (8720057) 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, 189544 + ... + 189589.

It is an arithmetic number, because the mean of its divisors is an integer number (2274804).

Almost surely, 2^8720059 is an apocalyptic number.

8720059 is a deficient number, since it is larger than the sum of its proper divisors (379157).

8720059 is a wasteful number, since it uses less digits than its factorization.

8720059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379156.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 8720059 is about 2952.9746019903. The cubic root of 8720059 is about 205.8289575289.

The spelling of 8720059 in words is "eight million, seven hundred twenty thousand, fifty-nine".