745584 has 60 divisors (see below), whose sum is σ = 2247624. Its totient is φ = 212352.

The previous prime is 745573. The next prime is 745601. The reversal of 745584 is 485547.

It is an Ulam number.

It is a plaindrome in base 9.

It is a congruent number.

It is an unprimeable number.

745584 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, 2194 + ... + 2510.

2⁷⁴⁵⁵⁸⁴ 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 745584, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1123812).

745584 is an abundant number, since it is smaller than the sum of its proper divisors (1502040).

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

745584 is a wasteful number, since it uses less digits than its factorization.

745584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342 (or 329 counting only the distinct ones).

The product of its digits is 22400, while the sum is 33.

The square root of 745584 is about 863.4720609261. The cubic root of 745584 is about 90.6773584085.

The spelling of 745584 in words is "seven hundred forty-five thousand, five hundred eighty-four".