4448730 has 128 divisors (see below), whose sum is σ = 13499136. Its totient is φ = 921600.

The previous prime is 4448723. The next prime is 4448749. The reversal of 4448730 is 378444.

4448730 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×4448730² = 39582397225800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 72900 + ... + 72960.

It is an arithmetic number, because the mean of its divisors is an integer number (105462).

Almost surely, 2^4448730 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4448730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6749568).

4448730 is an abundant number, since it is smaller than the sum of its proper divisors (9050406).

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

4448730 is a wasteful number, since it uses less digits than its factorization.

4448730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112.

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 4448730 is about 2109.2012706236. The cubic root of 4448730 is about 164.4669667567.

The spelling of 4448730 in words is "four million, four hundred forty-eight thousand, seven hundred thirty".