573799721 has 8 divisors (see below), whose sum is σ = 636573600. Its totient is φ = 512794240.

The previous prime is 573799693. The next prime is 573799747. The reversal of 573799721 is 127997375.

573799721 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-573799721 is a prime.

It is a super-2 number, since 2×573799721² = 658492239639355682, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 573799721.

It is not an unprimeable number, because it can be changed into a prime (573799621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 441416 + ... + 442713.

It is an arithmetic number, because the mean of its divisors is an integer number (79571700).

Almost surely, 2^573799721 is an apocalyptic number.

It is an amenable number.

573799721 is a deficient number, since it is larger than the sum of its proper divisors (62773879).

573799721 is a wasteful number, since it uses less digits than its factorization.

573799721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 884199.

The product of its digits is 833490, while the sum is 50.

The square root of 573799721 is about 23954.1169947882. The cubic root of 573799721 is about 830.9727410746.

The spelling of 573799721 in words is "five hundred seventy-three million, seven hundred ninety-nine thousand, seven hundred twenty-one".