8572872 has 64 divisors (see below), whose sum is σ = 26726400. Its totient is φ = 2226240.

The previous prime is 8572871. The next prime is 8572903. The reversal of 8572872 is 2782758.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 8572872.

It is not an unprimeable number, because it can be changed into a prime (8572871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 472 + ... + 4167.

It is an arithmetic number, because the mean of its divisors is an integer number (417600).

Almost surely, 2^8572872 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 8572872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13363200).

8572872 is an abundant number, since it is smaller than the sum of its proper divisors (18153528).

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

8572872 is a wasteful number, since it uses less digits than its factorization.

8572872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4666 (or 4662 counting only the distinct ones).

The product of its digits is 62720, while the sum is 39.

The square root of 8572872 is about 2927.9467208267. The cubic root of 8572872 is about 204.6643088190.

The spelling of 8572872 in words is "eight million, five hundred seventy-two thousand, eight hundred seventy-two".