745500753 has 20 divisors (see below), whose sum is σ = 1143752500. Its totient is φ = 483566112.

The previous prime is 745500731. The next prime is 745500773. The reversal of 745500753 is 357005547.

745500753 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 656538129 + 88962624 = 25623^2 + 9432^2 .

It is not a de Polignac number, because 745500753 - 2⁶ = 745500689 is a prime.

It is a super-3 number, since 3×745500753³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (745500773) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 121378 + ... + 127371.

It is an arithmetic number, because the mean of its divisors is an integer number (57187625).

Almost surely, 2^745500753 is an apocalyptic number.

It is an amenable number.

745500753 is a deficient number, since it is larger than the sum of its proper divisors (398251747).

745500753 is a wasteful number, since it uses less digits than its factorization.

745500753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248798 (or 248789 counting only the distinct ones).

The product of its (nonzero) digits is 73500, while the sum is 36.

The square root of 745500753 is about 27303.8596722148. The cubic root of 745500753 is about 906.7398347064.

The spelling of 745500753 in words is "seven hundred forty-five million, five hundred thousand, seven hundred fifty-three".