530730072 has 96 divisors (see below), whose sum is σ = 1563213600. Its totient is φ = 161989632.

The previous prime is 530730071. The next prime is 530730091. The reversal of 530730072 is 270037035.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530730071) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39429 + ... + 51147.

It is an arithmetic number, because the mean of its divisors is an integer number (16283475).

Almost surely, 2^530730072 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 530730072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (781606800).

530730072 is an abundant number, since it is smaller than the sum of its proper divisors (1032483528).

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

530730072 is a wasteful number, since it uses less digits than its factorization.

530730072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11785 (or 11778 counting only the distinct ones).

The product of its (nonzero) digits is 4410, while the sum is 27.

The square root of 530730072 is about 23037.5795603618. The cubic root of 530730072 is about 809.6386499785.

The spelling of 530730072 in words is "five hundred thirty million, seven hundred thirty thousand, seventy-two".