727648832 has 28 divisors (see below), whose sum is σ = 1445055276. Its totient is φ = 363540480.

The previous prime is 727648811. The next prime is 727648837. The reversal of 727648832 is 238846727.

It can be written as a sum of positive squares in 2 ways, for example, as 20939776 + 706709056 = 4576^2 + 26584^2 .

It is not an unprimeable number, because it can be changed into a prime (727648837) by changing a digit.

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, 95732 + ... + 103052.

It is an arithmetic number, because the mean of its divisors is an integer number (51609117).

Almost surely, 2^727648832 is an apocalyptic number.

It is an amenable number.

727648832 is a deficient number, since it is larger than the sum of its proper divisors (717406444).

727648832 is a wasteful number, since it uses less digits than its factorization.

727648832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8886 (or 8876 counting only the distinct ones).

The product of its digits is 903168, while the sum is 47.

The square root of 727648832 is about 26974.9667655032. The cubic root of 727648832 is about 899.4436199026.

The spelling of 727648832 in words is "seven hundred twenty-seven million, six hundred forty-eight thousand, eight hundred thirty-two".