4473540 has 72 divisors (see below), whose sum is σ = 14054040. Its totient is φ = 1150464.

The previous prime is 4473503. The next prime is 4473541. The reversal of 4473540 is 453744.

It can be written as a sum of positive squares in 4 ways, for example, as 1382976 + 3090564 = 1176^2 + 1758^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4473541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4792 + ... + 5648.

It is an arithmetic number, because the mean of its divisors is an integer number (195195).

Almost surely, 2^4473540 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4473540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7027020).

4473540 is an abundant number, since it is smaller than the sum of its proper divisors (9580500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4473540 is a wasteful number, since it uses less digits than its factorization.

4473540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 901 (or 896 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 4473540 is about 2115.0744667742. The cubic root of 4473540 is about 164.7721372602.

The spelling of 4473540 in words is "four million, four hundred seventy-three thousand, five hundred forty".