447770473 has 4 divisors (see below), whose sum is σ = 471337360. Its totient is φ = 424203588.

The previous prime is 447770443. The next prime is 447770483. The reversal of 447770473 is 374077744.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 447770473 - 2⁵ = 447770441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (447770443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11783415 + ... + 11783452.

It is an arithmetic number, because the mean of its divisors is an integer number (117834340).

Almost surely, 2^447770473 is an apocalyptic number.

It is an amenable number.

447770473 is a deficient number, since it is larger than the sum of its proper divisors (23566887).

447770473 is a wasteful number, since it uses less digits than its factorization.

447770473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23566886.

The product of its (nonzero) digits is 460992, while the sum is 43.

The square root of 447770473 is about 21160.5877281327. The cubic root of 447770473 is about 765.0417753825.

The spelling of 447770473 in words is "four hundred forty-seven million, seven hundred seventy thousand, four hundred seventy-three".