5727649 has 2 divisors, whose sum is σ = 5727650. Its totient is φ = 5727648.

The previous prime is 5727647. The next prime is 5727671. The reversal of 5727649 is 9467275.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3038049 + 2689600 = 1743^2 + 1640^2 .

It is a cyclic number.

It is not a de Polignac number, because 5727649 - 2¹ = 5727647 is a prime.

Together with 5727647, 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 (5727647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2863824 + 2863825.

It is an arithmetic number, because the mean of its divisors is an integer number (2863825).

Almost surely, 2^5727649 is an apocalyptic number.

It is an amenable number.

5727649 is a deficient number, since it is larger than the sum of its proper divisors (1).

5727649 is an equidigital number, since it uses as much as digits as its factorization.

5727649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 105840, while the sum is 40.

The square root of 5727649 is about 2393.2507181656. The cubic root of 5727649 is about 178.9199625531.

The spelling of 5727649 in words is "five million, seven hundred twenty-seven thousand, six hundred forty-nine".