4478473 has 4 divisors (see below), whose sum is σ = 4483908. Its totient is φ = 4473040.

The previous prime is 4478423. The next prime is 4478527. The reversal of 4478473 is 3748744.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1408969 + 3069504 = 1187^2 + 1752^2 .

It is a cyclic number.

It is not a de Polignac number, because 4478473 - 2⁹ = 4477961 is a prime.

It is a Duffinian number.

4478473 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4478413) 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, 1198 + ... + 3223.

It is an arithmetic number, because the mean of its divisors is an integer number (1120977).

Almost surely, 2^4478473 is an apocalyptic number.

It is an amenable number.

4478473 is a deficient number, since it is larger than the sum of its proper divisors (5435).

4478473 is a wasteful number, since it uses less digits than its factorization.

4478473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5434.

The product of its digits is 75264, while the sum is 37.

The square root of 4478473 is about 2116.2402982648. The cubic root of 4478473 is about 164.8326800941.

The spelling of 4478473 in words is "four million, four hundred seventy-eight thousand, four hundred seventy-three".