6758449 has 2 divisors, whose sum is σ = 6758450. Its totient is φ = 6758448.

The previous prime is 6758447. The next prime is 6758473. The reversal of 6758449 is 9448576.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6466849 + 291600 = 2543^2 + 540^2 .

It is a cyclic number.

It is not a de Polignac number, because 6758449 - 2¹ = 6758447 is a prime.

Together with 6758447, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (6758447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3379224 + 3379225.

It is an arithmetic number, because the mean of its divisors is an integer number (3379225).

Almost surely, 2^6758449 is an apocalyptic number.

It is an amenable number.

6758449 is a deficient number, since it is larger than the sum of its proper divisors (1).

6758449 is an equidigital number, since it uses as much as digits as its factorization.

6758449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 241920, while the sum is 43.

The square root of 6758449 is about 2599.7017136587. The cubic root of 6758449 is about 189.0669769994.

It can be divided in two parts, 675 and 8449, that multiplied together give a palindrome (5703075).

The spelling of 6758449 in words is "six million, seven hundred fifty-eight thousand, four hundred forty-nine".