447130047 has 48 divisors (see below), whose sum is σ = 756120960. Its totient is φ = 232924608.

The previous prime is 447130031. The next prime is 447130049. The reversal of 447130047 is 740031744.

It is not a de Polignac number, because 447130047 - 2⁴ = 447130031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 447129996 and 447130023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447130049) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 157204 + ... + 160022.

It is an arithmetic number, because the mean of its divisors is an integer number (15752520).

Almost surely, 2^447130047 is an apocalyptic number.

447130047 is a deficient number, since it is larger than the sum of its proper divisors (308990913).

447130047 is a wasteful number, since it uses less digits than its factorization.

447130047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2932 (or 2925 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 30.

The square root of 447130047 is about 21145.4497942229. The cubic root of 447130047 is about 764.6768663907.

The spelling of 447130047 in words is "four hundred forty-seven million, one hundred thirty thousand, forty-seven".