4427473 has 4 divisors (see below), whose sum is σ = 4431780. Its totient is φ = 4423168.

The previous prime is 4427443. The next prime is 4427491. The reversal of 4427473 is 3747244.

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 3411409 + 1016064 = 1847^2 + 1008^2 .

It is a cyclic number.

It is not a de Polignac number, because 4427473 - 2¹⁷ = 4296401 is a prime.

It is a d-powerful number, because it can be written as 4³ + 4⁸ + 2¹⁷ + 7 + 4¹¹ + 7⁵ + 3⁹ .

It is a Duffinian number.

4427473 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4427443) 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, 393 + ... + 3001.

It is an arithmetic number, because the mean of its divisors is an integer number (1107945).

Almost surely, 2^4427473 is an apocalyptic number.

It is an amenable number.

4427473 is a deficient number, since it is larger than the sum of its proper divisors (4307).

4427473 is a wasteful number, since it uses less digits than its factorization.

4427473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4306.

The product of its digits is 18816, while the sum is 31.

The square root of 4427473 is about 2104.1561253861. The cubic root of 4427473 is about 164.2045954375.

It can be divided in two parts, 4427 and 473, that added together give a square (4900 = 70²).

The spelling of 4427473 in words is "four million, four hundred twenty-seven thousand, four hundred seventy-three".