573646728 has 16 divisors (see below), whose sum is σ = 1434116880. Its totient is φ = 191215568.

The previous prime is 573646673. The next prime is 573646747. The reversal of 573646728 is 827646375.

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, 11950950 + ... + 11950997.

It is an arithmetic number, because the mean of its divisors is an integer number (89632305).

Almost surely, 2^573646728 is an apocalyptic number.

It is an amenable number.

573646728 is an abundant number, since it is smaller than the sum of its proper divisors (860470152).

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

573646728 is a wasteful number, since it uses less digits than its factorization.

573646728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23901956 (or 23901952 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 48.

The square root of 573646728 is about 23950.9233224943. The cubic root of 573646728 is about 830.8988800456.

The spelling of 573646728 in words is "five hundred seventy-three million, six hundred forty-six thousand, seven hundred twenty-eight".