5728566722 has 18 divisors (see below), whose sum is σ = 8690105529. Its totient is φ = 2832225480.

The previous prime is 5728566719. The next prime is 5728566731. The reversal of 5728566722 is 2276658275.

It can be written as a sum of positive squares in 2 ways, for example, as 5496887881 + 231678841 = 74141^2 + 15221^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=53519.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 11666897 + ... + 11667387.

Almost surely, 2^5728566722 is an apocalyptic number.

5728566722 is a deficient number, since it is larger than the sum of its proper divisors (2961538807).

5728566722 is an frugal number, since it uses more digits than its factorization.

5728566722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1202 (or 602 counting only the distinct ones).

The product of its digits is 2822400, while the sum is 50.

The square root of 5728566722 is about 75687.2956446457. The cubic root of 5728566722 is about 1789.2951795809.

Multiplying 5728566722 by its sum of digits (50), we get a square (286428336100 = 535190²).

The spelling of 5728566722 in words is "five billion, seven hundred twenty-eight million, five hundred sixty-six thousand, seven hundred twenty-two".