745844 has 36 divisors (see below), whose sum is σ = 1519392. Its totient is φ = 319440.

The previous prime is 745837. The next prime is 745859. The reversal of 745844 is 448547.

745844 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 745844.

It is a congruent number.

It is an unprimeable number.

745844 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11099 + ... + 11165.

2⁷⁴⁵⁸⁴⁴ is an apocalyptic number.

It is an amenable number.

745844 is an abundant number, since it is smaller than the sum of its proper divisors (773548).

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

745844 is a wasteful number, since it uses less digits than its factorization.

745844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116 (or 103 counting only the distinct ones).

The product of its digits is 17920, while the sum is 32.

The square root of 745844 is about 863.6226027612. The cubic root of 745844 is about 90.6878975175.

The spelling of 745844 in words is "seven hundred forty-five thousand, eight hundred forty-four".