711749 has 2 divisors, whose sum is σ = 711750. Its totient is φ = 711748.

The previous prime is 711731. The next prime is 711751. The reversal of 711749 is 947117.

711749 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 664225 + 47524 = 815^2 + 218^2 .

It is a cyclic number.

It is not a de Polignac number, because 711749 - 2¹² = 707653 is a prime.

Together with 711751, it forms a pair of twin primes.

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 (711709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 355874 + 355875.

It is an arithmetic number, because the mean of its divisors is an integer number (355875).

2⁷¹¹⁷⁴⁹ is an apocalyptic number.

It is an amenable number.

711749 is a deficient number, since it is larger than the sum of its proper divisors (1).

711749 is an equidigital number, since it uses as much as digits as its factorization.

711749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1764, while the sum is 29.

The square root of 711749 is about 843.6521795148. The cubic root of 711749 is about 89.2844076914.

The spelling of 711749 in words is "seven hundred eleven thousand, seven hundred forty-nine".