8728512 has 84 divisors (see below), whose sum is σ = 25100280. Its totient is φ = 2675712.

The previous prime is 8728483. The next prime is 8728513. The reversal of 8728512 is 2158278.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8728513) 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, 32314 + ... + 32582.

Almost surely, 2^8728512 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 8728512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12550140).

8728512 is an abundant number, since it is smaller than the sum of its proper divisors (16371768).

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

8728512 is a wasteful number, since it uses less digits than its factorization.

8728512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310 (or 287 counting only the distinct ones).

The product of its digits is 8960, while the sum is 33.

The square root of 8728512 is about 2954.4055239591. The cubic root of 8728512 is about 205.8954444752.

The spelling of 8728512 in words is "eight million, seven hundred twenty-eight thousand, five hundred twelve".