530720072 has 16 divisors (see below), whose sum is σ = 1019371500. Its totient is φ = 258887680.

The previous prime is 530720063. The next prime is 530720087. The reversal of 530720072 is 270027035.

It can be written as a sum of positive squares in 2 ways, for example, as 347225956 + 183494116 = 18634^2 + 13546^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 808697 + ... + 809352.

Almost surely, 2^530720072 is an apocalyptic number.

It is an amenable number.

530720072 is a deficient number, since it is larger than the sum of its proper divisors (488651428).

530720072 is a wasteful number, since it uses less digits than its factorization.

530720072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1618096 (or 1618092 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 26.

The square root of 530720072 is about 23037.3625226500. The cubic root of 530720072 is about 809.6335648843.

The spelling of 530720072 in words is "five hundred thirty million, seven hundred twenty thousand, seventy-two".