4446720 has 120 divisors (see below), whose sum is σ = 15480036. Its totient is φ = 1179648.

The previous prime is 4446683. The next prime is 4446721. The reversal of 4446720 is 276444.

It can be written as a sum of positive squares in 2 ways, for example, as 4260096 + 186624 = 2064^2 + 432^2 .

It is a tau number, because it is divible by the number of its divisors (120).

It is not an unprimeable number, because it can be changed into a prime (4446721) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22944 + ... + 23136.

Almost surely, 2^4446720 is an apocalyptic number.

4446720 is a gapful number since it is divisible by the number (40) 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 4446720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7740018).

4446720 is an abundant number, since it is smaller than the sum of its proper divisors (11033316).

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

4446720 is a wasteful number, since it uses less digits than its factorization.

4446720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222 (or 203 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The square root of 4446720 is about 2108.7247331029. The cubic root of 4446720 is about 164.4421935141.

It can be divided in two parts, 44 and 46720, that added together give a palindrome (46764).

The spelling of 4446720 in words is "four million, four hundred forty-six thousand, seven hundred twenty".