448723637 has 2 divisors, whose sum is σ = 448723638. Its totient is φ = 448723636.

The previous prime is 448723631. The next prime is 448723643. The reversal of 448723637 is 736327844.

It is a balanced prime because it is at equal distance from previous prime (448723631) and next prime (448723643).

It can be written as a sum of positive squares in only one way, i.e., 439908676 + 8814961 = 20974^2 + 2969^2 .

It is a cyclic number.

It is not a de Polignac number, because 448723637 - 2¹² = 448719541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (448723631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224361818 + 224361819.

It is an arithmetic number, because the mean of its divisors is an integer number (224361819).

Almost surely, 2^448723637 is an apocalyptic number.

It is an amenable number.

448723637 is a deficient number, since it is larger than the sum of its proper divisors (1).

448723637 is an equidigital number, since it uses as much as digits as its factorization.

448723637 is an evil number, because the sum of its binary digits is even.

The product of its digits is 677376, while the sum is 44.

The square root of 448723637 is about 21183.0979084741. The cubic root of 448723637 is about 765.5842359460.

The spelling of 448723637 in words is "four hundred forty-eight million, seven hundred twenty-three thousand, six hundred thirty-seven".