745045579 has 4 divisors (see below), whose sum is σ = 765181984. Its totient is φ = 724909176.

The previous prime is 745045577. The next prime is 745045607. The reversal of 745045579 is 975540547.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 975540547 = 12757 ⋅76471.

It is a cyclic number.

It is not a de Polignac number, because 745045579 - 2¹ = 745045577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (745045573) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10068147 + ... + 10068220.

It is an arithmetic number, because the mean of its divisors is an integer number (191295496).

Almost surely, 2^745045579 is an apocalyptic number.

745045579 is a deficient number, since it is larger than the sum of its proper divisors (20136405).

745045579 is a wasteful number, since it uses less digits than its factorization.

745045579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20136404.

The product of its (nonzero) digits is 882000, while the sum is 46.

The square root of 745045579 is about 27295.5230578203. The cubic root of 745045579 is about 906.5552570149. Note that the first 3 decimals are identical.

The spelling of 745045579 in words is "seven hundred forty-five million, forty-five thousand, five hundred seventy-nine".