8528730 has 64 divisors (see below), whose sum is σ = 24779520. Its totient is φ = 1833984.

The previous prime is 8528717. The next prime is 8528783. The reversal of 8528730 is 378258.

It is a junction number, because it is equal to n+sod(n) for n = 8528691 and 8528700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2376 + ... + 4764.

It is an arithmetic number, because the mean of its divisors is an integer number (387180).

Almost surely, 2^8528730 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8528730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12389760).

8528730 is an abundant number, since it is smaller than the sum of its proper divisors (16250790).

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

8528730 is a wasteful number, since it uses less digits than its factorization.

8528730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2423.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 8528730 is about 2920.3989453498. The cubic root of 8528730 is about 204.3124297605.

The spelling of 8528730 in words is "eight million, five hundred twenty-eight thousand, seven hundred thirty".