745563 has 16 divisors (see below), whose sum is σ = 1223936. Its totient is φ = 393120.

The previous prime is 745543. The next prime is 745567. The reversal of 745563 is 365547.

745563 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 745563 - 2⁵ = 745531 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 745563.

It is not an unprimeable number, because it can be changed into a prime (745567) by changing a digit.

It is an upside-down number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1093 + ... + 1638.

It is an arithmetic number, because the mean of its divisors is an integer number (76496).

2⁷⁴⁵⁵⁶³ is an apocalyptic number.

745563 is a deficient number, since it is larger than the sum of its proper divisors (478373).

745563 is a wasteful number, since it uses less digits than its factorization.

745563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2754.

The product of its digits is 12600, while the sum is 30.

The square root of 745563 is about 863.4599006323. The cubic root of 745563 is about 90.6765070658.

The spelling of 745563 in words is "seven hundred forty-five thousand, five hundred sixty-three".