572635428 has 12 divisors (see below), whose sum is σ = 1336149360. Its totient is φ = 190878472.

The previous prime is 572635411. The next prime is 572635489. The reversal of 572635428 is 824536275.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×572635428² = 655822666801486368, 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 572635428.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 23859798 + ... + 23859821.

It is an arithmetic number, because the mean of its divisors is an integer number (111345780).

Almost surely, 2^572635428 is an apocalyptic number.

It is an amenable number.

572635428 is an abundant number, since it is smaller than the sum of its proper divisors (763513932).

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

572635428 is a wasteful number, since it uses less digits than its factorization.

572635428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47719626 (or 47719624 counting only the distinct ones).

The product of its digits is 403200, while the sum is 42.

The square root of 572635428 is about 23929.8020886091. The cubic root of 572635428 is about 830.4103201761.

The spelling of 572635428 in words is "five hundred seventy-two million, six hundred thirty-five thousand, four hundred twenty-eight".