4440072 has 128 divisors (see below), whose sum is σ = 14515200. Its totient is φ = 1099008.

The previous prime is 4440071. The next prime is 4440089. The reversal of 4440072 is 2700444.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (4440071) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41443 + ... + 41549.

It is an arithmetic number, because the mean of its divisors is an integer number (113400).

Almost surely, 2^4440072 is an apocalyptic number.

4440072 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4440072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7257600).

4440072 is an abundant number, since it is smaller than the sum of its proper divisors (10075128).

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

4440072 is a wasteful number, since it uses less digits than its factorization.

4440072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155 (or 151 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 21.

The square root of 4440072 is about 2107.1478353452. The cubic root of 4440072 is about 164.3602037215.

The spelling of 4440072 in words is "four million, four hundred forty thousand, seventy-two".