448067729 has 2 divisors, whose sum is σ = 448067730. Its totient is φ = 448067728.

The previous prime is 448067693. The next prime is 448067791. The reversal of 448067729 is 927760844.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 428283025 + 19784704 = 20695^2 + 4448^2 .

It is a cyclic number.

It is not a de Polignac number, because 448067729 - 2¹² = 448063633 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (448067629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224033864 + 224033865.

It is an arithmetic number, because the mean of its divisors is an integer number (224033865).

Almost surely, 2^448067729 is an apocalyptic number.

It is an amenable number.

448067729 is a deficient number, since it is larger than the sum of its proper divisors (1).

448067729 is an equidigital number, since it uses as much as digits as its factorization.

448067729 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 677376, while the sum is 47.

The square root of 448067729 is about 21167.6103752880. The cubic root of 448067729 is about 765.2110309624.

The spelling of 448067729 in words is "four hundred forty-eight million, sixty-seven thousand, seven hundred twenty-nine".