528600720 has 320 divisors, whose sum is σ = 1866737664. Its totient is φ = 123002880.

The previous prime is 528600671. The next prime is 528600727. The reversal of 528600720 is 27006825.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (528600727) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4035055 + ... + 4035185.

Almost surely, 2^528600720 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 528600720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (933368832).

528600720 is an abundant number, since it is smaller than the sum of its proper divisors (1338136944).

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

528600720 is a wasteful number, since it uses less digits than its factorization.

528600720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230 (or 224 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 528600720 is about 22991.3183615033. The cubic root of 528600720 is about 808.5544098842.

The spelling of 528600720 in words is "five hundred twenty-eight million, six hundred thousand, seven hundred twenty".