447628473 has 12 divisors (see below), whose sum is σ = 647197668. Its totient is φ = 298131360.

The previous prime is 447628463. The next prime is 447628487. The reversal of 447628473 is 374826744.

447628473 is a `hidden beast` number, since 447 + 62 + 84 + 73 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 126967824 + 320660649 = 11268^2 + 17907^2 .

It is not a de Polignac number, because 447628473 - 2⁸ = 447628217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (447628403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13890 + ... + 32987.

It is an arithmetic number, because the mean of its divisors is an integer number (53933139).

Almost surely, 2^447628473 is an apocalyptic number.

It is an amenable number.

447628473 is a deficient number, since it is larger than the sum of its proper divisors (199569195).

447628473 is a wasteful number, since it uses less digits than its factorization.

447628473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47944 (or 47941 counting only the distinct ones).

The product of its digits is 903168, while the sum is 45.

The square root of 447628473 is about 21157.2321677482. The cubic root of 447628473 is about 764.9608950920.

It can be divided in two parts, 44762 and 8473, that added together give a palindrome (53235).

The spelling of 447628473 in words is "four hundred forty-seven million, six hundred twenty-eight thousand, four hundred seventy-three".