6731449 has 2 divisors, whose sum is σ = 6731450. Its totient is φ = 6731448.

The previous prime is 6731437. The next prime is 6731467. The reversal of 6731449 is 9441376.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5978025 + 753424 = 2445^2 + 868^2 .

It is a cyclic number.

It is not a de Polignac number, because 6731449 - 2¹³ = 6723257 is a prime.

It is not a weakly prime, because it can be changed into another prime (6731489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3365724 + 3365725.

It is an arithmetic number, because the mean of its divisors is an integer number (3365725).

Almost surely, 2^6731449 is an apocalyptic number.

It is an amenable number.

6731449 is a deficient number, since it is larger than the sum of its proper divisors (1).

6731449 is an equidigital number, since it uses as much as digits as its factorization.

6731449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 34.

The square root of 6731449 is about 2594.5036134105. The cubic root of 6731449 is about 188.8148668180.

The spelling of 6731449 in words is "six million, seven hundred thirty-one thousand, four hundred forty-nine".