5729128 has 16 divisors (see below), whose sum is σ = 10767780. Its totient is φ = 2857728.

The previous prime is 5729123. The next prime is 5729131. The reversal of 5729128 is 8219275.

It can be written as a sum of positive squares in 2 ways, for example, as 3992004 + 1737124 = 1998^2 + 1318^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5729093 and 5729102.

It is not an unprimeable number, because it can be changed into a prime (5729123) 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, 5376 + ... + 6352.

Almost surely, 2^5729128 is an apocalyptic number.

It is an amenable number.

5729128 is a deficient number, since it is larger than the sum of its proper divisors (5038652).

5729128 is a wasteful number, since it uses less digits than its factorization.

5729128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1716 (or 1712 counting only the distinct ones).

The product of its digits is 10080, while the sum is 34.

The square root of 5729128 is about 2393.5596921740. The cubic root of 5729128 is about 178.9353615328.

The spelling of 5729128 in words is "five million, seven hundred twenty-nine thousand, one hundred twenty-eight".