8719872 has 80 divisors (see below), whose sum is σ = 26581632. Its totient is φ = 2488320.

The previous prime is 8719847. The next prime is 8719873. The reversal of 8719872 is 2789178.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8719873) 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, 10347 + ... + 11157.

Almost surely, 2^8719872 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 8719872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13290816).

8719872 is an abundant number, since it is smaller than the sum of its proper divisors (17861760).

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

8719872 is an equidigital number, since it uses as much as digits as its factorization.

8719872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 839 (or 823 counting only the distinct ones).

The product of its digits is 56448, while the sum is 42.

The square root of 8719872 is about 2952.9429388324. The cubic root of 8719872 is about 205.8274861975.

It can be divided in two parts, 8719 and 872, that added together give a triangular number (9591 = T₁₃₈).

The spelling of 8719872 in words is "eight million, seven hundred nineteen thousand, eight hundred seventy-two".