6480473 has 4 divisors (see below), whose sum is σ = 6547380. Its totient is φ = 6413568.

The previous prime is 6480421. The next prime is 6480491. The reversal of 6480473 is 3740846.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1408969 + 5071504 = 1187^2 + 2252^2 .

It is a cyclic number.

It is not a de Polignac number, because 6480473 - 2¹² = 6476377 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6480403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33308 + ... + 33501.

It is an arithmetic number, because the mean of its divisors is an integer number (1636845).

Almost surely, 2^6480473 is an apocalyptic number.

It is an amenable number.

6480473 is a deficient number, since it is larger than the sum of its proper divisors (66907).

6480473 is an equidigital number, since it uses as much as digits as its factorization.

6480473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66906.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 6480473 is about 2545.6773165505. The cubic root of 6480473 is about 186.4384864227.

The spelling of 6480473 in words is "six million, four hundred eighty thousand, four hundred seventy-three".