4473445 has 4 divisors (see below), whose sum is σ = 5368140. Its totient is φ = 3578752.

The previous prime is 4473421. The next prime is 4473449. The reversal of 4473445 is 5443744.

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 2405601 + 2067844 = 1551^2 + 1438^2 .

It is a cyclic number.

It is not a de Polignac number, because 4473445 - 2⁹ = 4472933 is a prime.

It is a d-powerful number, because it can be written as 4⁴ + 4⁷ + 7³ + 3² + 4⁹ + 4¹¹ + 5 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4473449) 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, 447340 + ... + 447349.

It is an arithmetic number, because the mean of its divisors is an integer number (1342035).

Almost surely, 2^4473445 is an apocalyptic number.

It is an amenable number.

4473445 is a deficient number, since it is larger than the sum of its proper divisors (894695).

4473445 is an equidigital number, since it uses as much as digits as its factorization.

4473445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 894694.

The product of its digits is 26880, while the sum is 31.

The square root of 4473445 is about 2115.0520088168. The cubic root of 4473445 is about 164.7709708860.

Subtracting 4473445 from its reverse (5443744), we obtain a cube (970299 = 99³).

The spelling of 4473445 in words is "four million, four hundred seventy-three thousand, four hundred forty-five".