8721059 has 8 divisors (see below), whose sum is σ = 8890560. Its totient is φ = 8553256.

The previous prime is 8721049. The next prime is 8721061. The reversal of 8721059 is 9501278.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8721059 - 2⁴ = 8721043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8721029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14564 + ... + 15150.

It is an arithmetic number, because the mean of its divisors is an integer number (1111320).

Almost surely, 2^8721059 is an apocalyptic number.

8721059 is a deficient number, since it is larger than the sum of its proper divisors (169501).

8721059 is a wasteful number, since it uses less digits than its factorization.

8721059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 849.

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 8721059 is about 2953.1439179288. The cubic root of 8721059 is about 205.8368252543.

The spelling of 8721059 in words is "eight million, seven hundred twenty-one thousand, fifty-nine".