675444 has 96 divisors (see below), whose sum is σ = 2128896. Its totient is φ = 161280.

The previous prime is 675419. The next prime is 675449. The reversal of 675444 is 444576.

675444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (675449) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15687 + ... + 15729.

It is an arithmetic number, because the mean of its divisors is an integer number (22176).

2⁶⁷⁵⁴⁴⁴ 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 675444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1064448).

675444 is an abundant number, since it is smaller than the sum of its proper divisors (1453452).

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

675444 is a wasteful number, since it uses less digits than its factorization.

675444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85 (or 83 counting only the distinct ones).

The product of its digits is 13440, while the sum is 30.

The square root of 675444 is about 821.8540016329. The cubic root of 675444 is about 87.7397614697.

The spelling of 675444 in words is "six hundred seventy-five thousand, four hundred forty-four".