448257747 has 32 divisors (see below), whose sum is σ = 722859520. Its totient is φ = 241367040.

The previous prime is 448257721. The next prime is 448257763. The reversal of 448257747 is 747752844.

It is not a de Polignac number, because 448257747 - 2⁷ = 448257619 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 448257696 and 448257705.

It is not an unprimeable number, because it can be changed into a prime (448257247) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74097 + ... + 79917.

It is an arithmetic number, because the mean of its divisors is an integer number (22589360).

Almost surely, 2^448257747 is an apocalyptic number.

448257747 is a deficient number, since it is larger than the sum of its proper divisors (274601773).

448257747 is a wasteful number, since it uses less digits than its factorization.

448257747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6043.

The product of its digits is 1756160, while the sum is 48.

The square root of 448257747 is about 21172.0983135824. The cubic root of 448257747 is about 765.3191867245.

The spelling of 448257747 in words is "four hundred forty-eight million, two hundred fifty-seven thousand, seven hundred forty-seven".