8441720 has 96 divisors (see below), whose sum is σ = 22777200. Its totient is φ = 2806272.

The previous prime is 8441701. The next prime is 8441731. The reversal of 8441720 is 271448.

It is a self number, because there is not a number n which added to its sum of digits gives 8441720.

It is a congruent number.

It is an unprimeable number.

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, 115604 + ... + 115676.

Almost surely, 2^8441720 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 8441720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11388600).

8441720 is an abundant number, since it is smaller than the sum of its proper divisors (14335480).

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

8441720 is a wasteful number, since it uses less digits than its factorization.

8441720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157 (or 146 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 8441720 is about 2905.4638183946. The cubic root of 8441720 is about 203.6152558614.

The spelling of 8441720 in words is "eight million, four hundred forty-one thousand, seven hundred twenty".