528560730 has 96 divisors (see below), whose sum is σ = 1429908480. Its totient is φ = 135354240.

The previous prime is 528560717. The next prime is 528560737. The reversal of 528560730 is 37065825.

528560730 is a `hidden beast` number, since 5 + 28 + 560 + 73 + 0 = 666.

It is not an unprimeable number, because it can be changed into a prime (528560737) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 234951 + ... + 237189.

It is an arithmetic number, because the mean of its divisors is an integer number (14894880).

Almost surely, 2^528560730 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 528560730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (714954240).

528560730 is an abundant number, since it is smaller than the sum of its proper divisors (901347750).

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

528560730 is a wasteful number, since it uses less digits than its factorization.

528560730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2356 (or 2353 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 528560730 is about 22990.4486689582. The cubic root of 528560730 is about 808.5340196318.

The spelling of 528560730 in words is "five hundred twenty-eight million, five hundred sixty thousand, seven hundred thirty".