447747134 has 4 divisors (see below), whose sum is σ = 671620704. Its totient is φ = 223873566.

The previous prime is 447747133. The next prime is 447747143. The reversal of 447747134 is 431747744.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 447747091 and 447747100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447747133) 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 as a sum of consecutive naturals, namely, 111936782 + ... + 111936785.

It is an arithmetic number, because the mean of its divisors is an integer number (167905176).

Almost surely, 2^447747134 is an apocalyptic number.

447747134 is a deficient number, since it is larger than the sum of its proper divisors (223873570).

447747134 is a wasteful number, since it uses less digits than its factorization.

447747134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223873569.

The product of its digits is 263424, while the sum is 41.

The square root of 447747134 is about 21160.0362476060. The cubic root of 447747134 is about 765.0284831407.

The spelling of 447747134 in words is "four hundred forty-seven million, seven hundred forty-seven thousand, one hundred thirty-four".