447742005 has 16 divisors (see below), whose sum is σ = 758528064. Its totient is φ = 224748800.

The previous prime is 447741997. The next prime is 447742007. The reversal of 447742005 is 500247744.

It is not a de Polignac number, because 447742005 - 2³ = 447741997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447742007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 877671 + ... + 878180.

It is an arithmetic number, because the mean of its divisors is an integer number (47408004).

Almost surely, 2^447742005 is an apocalyptic number.

It is an amenable number.

447742005 is a deficient number, since it is larger than the sum of its proper divisors (310786059).

447742005 is a wasteful number, since it uses less digits than its factorization.

447742005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1755876.

The product of its (nonzero) digits is 31360, while the sum is 33.

The square root of 447742005 is about 21159.9150518144. The cubic root of 447742005 is about 765.0255619636.

Adding to 447742005 its reverse (500247744), we get a palindrome (947989749).

The spelling of 447742005 in words is "four hundred forty-seven million, seven hundred forty-two thousand, five".