745583 has 4 divisors (see below), whose sum is σ = 758280. Its totient is φ = 732888.

The previous prime is 745573. The next prime is 745601. The reversal of 745583 is 385547.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 385547 = 31 ⋅12437.

It is a cyclic number.

It is not a de Polignac number, because 745583 - 2⁴ = 745567 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 745583.

It is not an unprimeable number, because it can be changed into a prime (745543) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 6260 + ... + 6377.

It is an arithmetic number, because the mean of its divisors is an integer number (189570).

2⁷⁴⁵⁵⁸³ is an apocalyptic number.

745583 is a deficient number, since it is larger than the sum of its proper divisors (12697).

745583 is a wasteful number, since it uses less digits than its factorization.

745583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12696.

The product of its digits is 16800, while the sum is 32.

The square root of 745583 is about 863.4714818684. The cubic root of 745583 is about 90.6773178687.

The spelling of 745583 in words is "seven hundred forty-five thousand, five hundred eighty-three".