574781868 has 72 divisors (see below), whose sum is σ = 1520483328. Its totient is φ = 182733408.

The previous prime is 574781861. The next prime is 574781869. The reversal of 574781868 is 868187475.

It is a happy number.

574781868 is a `hidden beast` number, since 574 + 7 + 8 + 1 + 8 + 68 = 666.

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (574781861) 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 23 ways as a sum of consecutive naturals, for example, 366021 + ... + 367587.

It is an arithmetic number, because the mean of its divisors is an integer number (21117824).

Almost surely, 2^574781868 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 574781868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (760241664).

574781868 is an abundant number, since it is smaller than the sum of its proper divisors (945701460).

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

574781868 is a wasteful number, since it uses less digits than its factorization.

574781868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2043 (or 2038 counting only the distinct ones).

The product of its digits is 3010560, while the sum is 54.

The square root of 574781868 is about 23974.6088184980. The cubic root of 574781868 is about 831.4465836301.

The spelling of 574781868 in words is "five hundred seventy-four million, seven hundred eighty-one thousand, eight hundred sixty-eight".