572779 has 4 divisors (see below), whose sum is σ = 592560. Its totient is φ = 553000.

The previous prime is 572777. The next prime is 572791. The reversal of 572779 is 977275.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 572779 - 2¹ = 572777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (572777) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9847 + ... + 9904.

It is an arithmetic number, because the mean of its divisors is an integer number (148140).

2⁵⁷²⁷⁷⁹ is an apocalyptic number.

572779 is a deficient number, since it is larger than the sum of its proper divisors (19781).

572779 is a wasteful number, since it uses less digits than its factorization.

572779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19780.

The product of its digits is 30870, while the sum is 37.

The square root of 572779 is about 756.8216434537. The cubic root of 572779 is about 83.0479714944.

Subtracting 572779 from its reverse (977275), we obtain a square (404496 = 636²).

The spelling of 572779 in words is "five hundred seventy-two thousand, seven hundred seventy-nine".