530442729 has 8 divisors (see below), whose sum is σ = 785841120. Its totient is φ = 353628468.

The previous prime is 530442719. The next prime is 530442733. The reversal of 530442729 is 927244035.

It is not a de Polignac number, because 530442729 - 2⁴ = 530442713 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 530442693 and 530442702.

It is not an unprimeable number, because it can be changed into a prime (530442719) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9822987 + ... + 9823040.

It is an arithmetic number, because the mean of its divisors is an integer number (98230140).

Almost surely, 2^530442729 is an apocalyptic number.

It is an amenable number.

530442729 is a deficient number, since it is larger than the sum of its proper divisors (255398391).

530442729 is a wasteful number, since it uses less digits than its factorization.

530442729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19646036 (or 19646030 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 530442729 is about 23031.3423186752. The cubic root of 530442729 is about 809.4925078944.

The spelling of 530442729 in words is "five hundred thirty million, four hundred forty-two thousand, seven hundred twenty-nine".