4418730 has 48 divisors (see below), whose sum is σ = 11891880. Its totient is φ = 1137024.

The previous prime is 4418719. The next prime is 4418731. The reversal of 4418730 is 378144.

It can be written as a sum of positive squares in 4 ways, for example, as 3359889 + 1058841 = 1833^2 + 1029^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4418694 and 4418703.

It is not an unprimeable number, because it can be changed into a prime (4418731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1764 + ... + 3456.

Almost surely, 2^4418730 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4418730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5945940).

4418730 is an abundant number, since it is smaller than the sum of its proper divisors (7473150).

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

4418730 is a wasteful number, since it uses less digits than its factorization.

4418730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1735 (or 1732 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 4418730 is about 2102.0775437647. The cubic root of 4418730 is about 164.0964384211.

The spelling of 4418730 in words is "four million, four hundred eighteen thousand, seven hundred thirty".