530724 has 24 divisors (see below), whose sum is σ = 1266048. Its totient is φ = 172960.

The previous prime is 530713. The next prime is 530731. The reversal of 530724 is 427035.

It is a happy number.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 530724.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 530724.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94 + ... + 1034.

It is an arithmetic number, because the mean of its divisors is an integer number (52752).

2⁵³⁰⁷²⁴ is an apocalyptic number.

It is an amenable number.

530724 is an abundant number, since it is smaller than the sum of its proper divisors (735324).

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

530724 is a wasteful number, since it uses less digits than its factorization.

530724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 995 (or 993 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 530724 is about 728.5080644715. The cubic root of 530724 is about 80.9635562317.

Adding to 530724 its reverse (427035), we get a palindrome (957759).

The spelling of 530724 in words is "five hundred thirty thousand, seven hundred twenty-four".