573697729 has 8 divisors (see below), whose sum is σ = 634426272. Its totient is φ = 514398240.

The previous prime is 573697681. The next prime is 573697739. The reversal of 573697729 is 927796375.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 573697729 - 2¹⁹ = 573173441 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 573697729.

It is not an unprimeable number, because it can be changed into a prime (573697739) 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, 356419 + ... + 358024.

It is an arithmetic number, because the mean of its divisors is an integer number (79303284).

Almost surely, 2^573697729 is an apocalyptic number.

It is an amenable number.

573697729 is a deficient number, since it is larger than the sum of its proper divisors (60728543).

573697729 is a wasteful number, since it uses less digits than its factorization.

573697729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714527.

The product of its digits is 5000940, while the sum is 55.

The square root of 573697729 is about 23951.9879968240. The cubic root of 573697729 is about 830.9235034569.

The spelling of 573697729 in words is "five hundred seventy-three million, six hundred ninety-seven thousand, seven hundred twenty-nine".