447273842 has 16 divisors (see below), whose sum is σ = 710767872. Its totient is φ = 210365760.

The previous prime is 447273829. The next prime is 447273857. The reversal of 447273842 is 248372744.

It is a self number, because there is not a number n which added to its sum of digits gives 447273842.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121367 + ... + 124997.

It is an arithmetic number, because the mean of its divisors is an integer number (44422992).

Almost surely, 2^447273842 is an apocalyptic number.

447273842 is a deficient number, since it is larger than the sum of its proper divisors (263494030).

447273842 is a wasteful number, since it uses less digits than its factorization.

447273842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7273.

The product of its digits is 301056, while the sum is 41.

The square root of 447273842 is about 21148.8496613882. The cubic root of 447273842 is about 764.7588298118.

The spelling of 447273842 in words is "four hundred forty-seven million, two hundred seventy-three thousand, eight hundred forty-two".