447730042 has 8 divisors (see below), whose sum is σ = 672289632. Its totient is φ = 223633500.

The previous prime is 447730039. The next prime is 447730067. The reversal of 447730042 is 240037744.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 447729986 and 447730013.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113334 + ... + 117217.

It is an arithmetic number, because the mean of its divisors is an integer number (84036204).

Almost surely, 2^447730042 is an apocalyptic number.

447730042 is a deficient number, since it is larger than the sum of its proper divisors (224559590).

447730042 is a wasteful number, since it uses less digits than its factorization.

447730042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231524.

The product of its (nonzero) digits is 18816, while the sum is 31.

The square root of 447730042 is about 21159.6323692072. The cubic root of 447730042 is about 765.0187484547.

Adding to 447730042 its reverse (240037744), we get a palindrome (687767786).

The spelling of 447730042 in words is "four hundred forty-seven million, seven hundred thirty thousand, forty-two".