8559072 has 72 divisors (see below), whose sum is σ = 24648624. Its totient is φ = 2817024.

The previous prime is 8559017. The next prime is 8559073. The reversal of 8559072 is 2709558.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8559073) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32413 + ... + 32675.

It is an arithmetic number, because the mean of its divisors is an integer number (342342).

Almost surely, 2^8559072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8559072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12324312).

8559072 is an abundant number, since it is smaller than the sum of its proper divisors (16089552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8559072 is a wasteful number, since it uses less digits than its factorization.

8559072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392 (or 381 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The square root of 8559072 is about 2925.5891714320. The cubic root of 8559072 is about 204.5544318215.

The spelling of 8559072 in words is "eight million, five hundred fifty-nine thousand, seventy-two".