574759721 has 2 divisors, whose sum is σ = 574759722. Its totient is φ = 574759720.

The previous prime is 574759667. The next prime is 574759723. The reversal of 574759721 is 127957475.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 446730496 + 128029225 = 21136^2 + 11315^2 .

It is a cyclic number.

It is not a de Polignac number, because 574759721 - 2¹⁰ = 574758697 is a prime.

Together with 574759723, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (574759723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 287379860 + 287379861.

It is an arithmetic number, because the mean of its divisors is an integer number (287379861).

Almost surely, 2^574759721 is an apocalyptic number.

It is an amenable number.

574759721 is a deficient number, since it is larger than the sum of its proper divisors (1).

574759721 is an equidigital number, since it uses as much as digits as its factorization.

574759721 is an evil number, because the sum of its binary digits is even.

The product of its digits is 617400, while the sum is 47.

The square root of 574759721 is about 23974.1469295573. The cubic root of 574759721 is about 831.4359046317.

The spelling of 574759721 in words is "five hundred seventy-four million, seven hundred fifty-nine thousand, seven hundred twenty-one".