530433728 has 224 divisors, whose sum is σ = 1327269888. Its totient is φ = 207257600.

The previous prime is 530433727. The next prime is 530433731. The reversal of 530433728 is 827334035.

It is a super-3 number, since 3×530433728³ (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (530433721) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11285801 + ... + 11285847.

It is an arithmetic number, because the mean of its divisors is an integer number (5925312).

Almost surely, 2^530433728 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 530433728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (663634944).

530433728 is an abundant number, since it is smaller than the sum of its proper divisors (796836160).

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

530433728 is a wasteful number, since it uses less digits than its factorization.

530433728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151 (or 141 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 35.

The square root of 530433728 is about 23031.1469102170. The cubic root of 530433728 is about 809.4879291511.

The spelling of 530433728 in words is "five hundred thirty million, four hundred thirty-three thousand, seven hundred twenty-eight".