575242728 has 32 divisors (see below), whose sum is σ = 1439844000. Its totient is φ = 191515968.

The previous prime is 575242721. The next prime is 575242739. The reversal of 575242728 is 827242575.

It is a super-2 number, since 2×575242728² = 661808392233763968, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 575242728.

It is not an unprimeable number, because it can be changed into a prime (575242721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6423 + ... + 34521.

It is an arithmetic number, because the mean of its divisors is an integer number (44995125).

Almost surely, 2^575242728 is an apocalyptic number.

It is an amenable number.

575242728 is an abundant number, since it is smaller than the sum of its proper divisors (864601272).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

575242728 is a wasteful number, since it uses less digits than its factorization.

575242728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28961 (or 28957 counting only the distinct ones).

The product of its digits is 313600, while the sum is 42.

The square root of 575242728 is about 23984.2183112146. The cubic root of 575242728 is about 831.6687421730.

The spelling of 575242728 in words is "five hundred seventy-five million, two hundred forty-two thousand, seven hundred twenty-eight".