448137747 has 12 divisors (see below), whose sum is σ = 664805440. Its totient is φ = 290683728.

The previous prime is 448137733. The next prime is 448137757. The reversal of 448137747 is 747731844.

448137747 is a `hidden beast` number, since 448 + 137 + 74 + 7 = 666.

It is not a de Polignac number, because 448137747 - 2¹⁰ = 448136723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (448137757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 672547 + ... + 673212.

Almost surely, 2^448137747 is an apocalyptic number.

448137747 is a deficient number, since it is larger than the sum of its proper divisors (216667693).

448137747 is a wasteful number, since it uses less digits than its factorization.

448137747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1345802 (or 1345799 counting only the distinct ones).

The product of its digits is 526848, while the sum is 45.

The square root of 448137747 is about 21169.2642054465. The cubic root of 448137747 is about 765.2508878500.

The spelling of 448137747 in words is "four hundred forty-eight million, one hundred thirty-seven thousand, seven hundred forty-seven".