528030720 has 264 divisors, whose sum is σ = 2092263264. Its totient is φ = 120619008.

The previous prime is 528030709. The next prime is 528030731. The reversal of 528030720 is 27030825.

It is an interprime number because it is at equal distance from previous prime (528030709) and next prime (528030731).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 321742 + ... + 323378.

Almost surely, 2^528030720 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 528030720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1046131632).

528030720 is an abundant number, since it is smaller than the sum of its proper divisors (1564232544).

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

528030720 is a wasteful number, since it uses less digits than its factorization.

528030720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1675 (or 1654 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 528030720 is about 22978.9190346282. The cubic root of 528030720 is about 808.2636789333.

The spelling of 528030720 in words is "five hundred twenty-eight million, thirty thousand, seven hundred twenty".