745022753 has 4 divisors (see below), whose sum is σ = 745203888. Its totient is φ = 744841620.

The previous prime is 745022741. The next prime is 745022779. The reversal of 745022753 is 357220547.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 357220547 = 271 ⋅1318157.

It is a cyclic number.

It is not a de Polignac number, because 745022753 - 2⁶ = 745022689 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (745022353) 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, 84251 + ... + 92672.

It is an arithmetic number, because the mean of its divisors is an integer number (186300972).

Almost surely, 2^745022753 is an apocalyptic number.

It is an amenable number.

745022753 is a deficient number, since it is larger than the sum of its proper divisors (181135).

745022753 is a wasteful number, since it uses less digits than its factorization.

745022753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181134.

The product of its (nonzero) digits is 58800, while the sum is 35.

The square root of 745022753 is about 27295.1049274407. The cubic root of 745022753 is about 906.5459988602.

It can be divided in two parts, 7450 and 22753, that added together give a palindrome (30203).

The spelling of 745022753 in words is "seven hundred forty-five million, twenty-two thousand, seven hundred fifty-three".