745503 has 32 divisors (see below), whose sum is σ = 1209600. Its totient is φ = 403200.

The previous prime is 745477. The next prime is 745517. The reversal of 745503 is 305547.

745503 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 745503 - 2⁵ = 745471 is a prime.

It is a plaindrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745543) 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, 18163 + ... + 18203.

It is an arithmetic number, because the mean of its divisors is an integer number (37800).

2⁷⁴⁵⁵⁰³ is an apocalyptic number.

745503 is a deficient number, since it is larger than the sum of its proper divisors (464097).

745503 is a wasteful number, since it uses less digits than its factorization.

745503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103.

The product of its (nonzero) digits is 2100, while the sum is 24.

The square root of 745503 is about 863.4251559921. The cubic root of 745503 is about 90.6740745701.

The spelling of 745503 in words is "seven hundred forty-five thousand, five hundred three".