572517842 has 48 divisors (see below), whose sum is σ = 984379032. Its totient is φ = 248209920.

The previous prime is 572517839. The next prime is 572517851. The reversal of 572517842 is 248715275.

It can be written as a sum of positive squares in 4 ways, for example, as 142826401 + 429691441 = 11951^2 + 20729^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 572517842.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1698698 + ... + 1699034.

Almost surely, 2^572517842 is an apocalyptic number.

572517842 is a deficient number, since it is larger than the sum of its proper divisors (411861190).

572517842 is a wasteful number, since it uses less digits than its factorization.

572517842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571 (or 552 counting only the distinct ones).

The product of its digits is 156800, while the sum is 41.

The square root of 572517842 is about 23927.3450679343. The cubic root of 572517842 is about 830.3534769635.

The spelling of 572517842 in words is "five hundred seventy-two million, five hundred seventeen thousand, eight hundred forty-two".