8721152 has 72 divisors (see below), whose sum is σ = 20112960. Its totient is φ = 3732480.

The previous prime is 8721121. The next prime is 8721157. The reversal of 8721152 is 2511278.

8721152 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (8721157) 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, 53423 + ... + 53585.

Almost surely, 2^8721152 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 8721152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10056480).

8721152 is an abundant number, since it is smaller than the sum of its proper divisors (11391808).

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

8721152 is a wasteful number, since it uses less digits than its factorization.

8721152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209 (or 195 counting only the distinct ones).

The product of its digits is 1120, while the sum is 26.

The square root of 8721152 is about 2953.1596638177. The cubic root of 8721152 is about 205.8375569222.

The spelling of 8721152 in words is "eight million, seven hundred twenty-one thousand, one hundred fifty-two".