5721743 has 2 divisors, whose sum is σ = 5721744. Its totient is φ = 5721742.

The previous prime is 5721719. The next prime is 5721757. The reversal of 5721743 is 3471275.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5721743 - 2¹⁸ = 5459599 is a prime.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5721713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2860871 + 2860872.

It is an arithmetic number, because the mean of its divisors is an integer number (2860872).

Almost surely, 2^5721743 is an apocalyptic number.

5721743 is a deficient number, since it is larger than the sum of its proper divisors (1).

5721743 is an equidigital number, since it uses as much as digits as its factorization.

5721743 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5880, while the sum is 29.

The square root of 5721743 is about 2392.0165133209. The cubic root of 5721743 is about 178.8584443101.

The spelling of 5721743 in words is "five million, seven hundred twenty-one thousand, seven hundred forty-three".