4448745 has 48 divisors (see below), whose sum is σ = 9135360. Its totient is φ = 1959552.

The previous prime is 4448723. The next prime is 4448749. The reversal of 4448745 is 5478444.

4448745 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4448745 - 2¹⁶ = 4383209 is a prime.

4448745 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4448749) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8892 + ... + 9378.

It is an arithmetic number, because the mean of its divisors is an integer number (190320).

Almost surely, 2^4448745 is an apocalyptic number.

4448745 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4448745 is an abundant number, since it is smaller than the sum of its proper divisors (4686615).

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

4448745 is a wasteful number, since it uses less digits than its factorization.

4448745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534 (or 531 counting only the distinct ones).

The product of its digits is 71680, while the sum is 36.

The square root of 4448745 is about 2109.2048264690. The cubic root of 4448745 is about 164.4671516036.

The spelling of 4448745 in words is "four million, four hundred forty-eight thousand, seven hundred forty-five".