4447744 has 80 divisors (see below), whose sum is σ = 10901088. Its totient is φ = 1769472.

The previous prime is 4447739. The next prime is 4447747. The reversal of 4447744 is 4477444.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a nude number because it is divisible by every one of its digits.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4447747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60892 + ... + 60964.

Almost surely, 2^4447744 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 4447744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5450544).

4447744 is an abundant number, since it is smaller than the sum of its proper divisors (6453344).

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

4447744 is an equidigital number, since it uses as much as digits as its factorization.

4447744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115 (or 99 counting only the distinct ones).

The product of its digits is 50176, while the sum is 34.

The square root of 4447744 is about 2108.9675199016. The cubic root of 4447744 is about 164.4548152429.

4447744 divided by its sum of digits (34) gives a triangular number (130816 = T₅₁₁).

It can be divided in two parts, 44477 and 44, that added together give a square (44521 = 211²).

The spelling of 4447744 in words is "four million, four hundred forty-seven thousand, seven hundred forty-four".