447161473 has 4 divisors (see below), whose sum is σ = 487812528. Its totient is φ = 406510420.

The previous prime is 447161461. The next prime is 447161483. The reversal of 447161473 is 374161744.

It is a happy number.

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 447161473 - 2²⁵ = 413607041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (447161443) 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, 20325511 + ... + 20325532.

It is an arithmetic number, because the mean of its divisors is an integer number (121953132).

Almost surely, 2^447161473 is an apocalyptic number.

It is an amenable number.

447161473 is a deficient number, since it is larger than the sum of its proper divisors (40651055).

447161473 is a wasteful number, since it uses less digits than its factorization.

447161473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40651054.

The product of its digits is 56448, while the sum is 37.

The square root of 447161473 is about 21146.1928724771. The cubic root of 447161473 is about 764.6947807704.

The spelling of 447161473 in words is "four hundred forty-seven million, one hundred sixty-one thousand, four hundred seventy-three".