745807623 has 24 divisors (see below), whose sum is σ = 1093507200. Its totient is φ = 448398720.

The previous prime is 745807607. The next prime is 745807661. The reversal of 745807623 is 326708547.

745807623 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 745807623 - 2⁴ = 745807607 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745807723) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2212911 + ... + 2213247.

It is an arithmetic number, because the mean of its divisors is an integer number (45562800).

Almost surely, 2^745807623 is an apocalyptic number.

745807623 is a deficient number, since it is larger than the sum of its proper divisors (347699577).

745807623 is a wasteful number, since it uses less digits than its factorization.

745807623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 887 (or 550 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 42.

The square root of 745807623 is about 27309.4786292232. The cubic root of 745807623 is about 906.8642312197.

The spelling of 745807623 in words is "seven hundred forty-five million, eight hundred seven thousand, six hundred twenty-three".