5724741221 has 4 divisors (see below), whose sum is σ = 5725731852. Its totient is φ = 5723750592.

The previous prime is 5724741203. The next prime is 5724741229. The reversal of 5724741221 is 1221474275.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1401678721 + 4323062500 = 37439^2 + 65750^2 .

It is a cyclic number.

It is not a de Polignac number, because 5724741221 - 2¹⁸ = 5724479077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5724741229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 486596 + ... + 498221.

It is an arithmetic number, because the mean of its divisors is an integer number (1431432963).

Almost surely, 2^5724741221 is an apocalyptic number.

It is an amenable number.

5724741221 is a deficient number, since it is larger than the sum of its proper divisors (990631).

5724741221 is an equidigital number, since it uses as much as digits as its factorization.

5724741221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990630.

The product of its digits is 31360, while the sum is 35.

The square root of 5724741221 is about 75662.0196730169. The cubic root of 5724741221 is about 1788.8967975150.

The spelling of 5724741221 in words is "five billion, seven hundred twenty-four million, seven hundred forty-one thousand, two hundred twenty-one".