448739973 has 128 divisors (see below), whose sum is σ = 822804480. Its totient is φ = 238464000.

The previous prime is 448739969. The next prime is 448740011. The reversal of 448739973 is 379937844.

448739973 is a `hidden beast` number, since 4 + 487 + 3 + 99 + 73 = 666.

It is not a de Polignac number, because 448739973 - 2² = 448739969 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448739903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 7356363 + ... + 7356423.

It is an arithmetic number, because the mean of its divisors is an integer number (6428160).

Almost surely, 2^448739973 is an apocalyptic number.

It is an amenable number.

448739973 is a deficient number, since it is larger than the sum of its proper divisors (374064507).

448739973 is a wasteful number, since it uses less digits than its factorization.

448739973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176 (or 170 counting only the distinct ones).

The product of its digits is 4572288, while the sum is 54.

The square root of 448739973 is about 21183.4834954027. The cubic root of 448739973 is about 765.5935263208.

The spelling of 448739973 in words is "four hundred forty-eight million, seven hundred thirty-nine thousand, nine hundred seventy-three".