544720 has 40 divisors (see below), whose sum is σ = 1383840. Its totient is φ = 197760.

The previous prime is 544717. The next prime is 544721. The reversal of 544720 is 27445.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 544691 and 544700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 571 + ... + 1189.

It is an arithmetic number, because the mean of its divisors is an integer number (34596).

2⁵⁴⁴⁷²⁰ 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 544720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (691920).

544720 is an abundant number, since it is smaller than the sum of its proper divisors (839120).

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

544720 is a wasteful number, since it uses less digits than its factorization.

544720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643 (or 637 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 544720 is about 738.0514887188. The cubic root of 544720 is about 81.6691007651.

It can be divided in two parts, 54 and 4720, that added together give a palindrome (4774).

The spelling of 544720 in words is "five hundred forty-four thousand, seven hundred twenty".