4505727745 has 8 divisors (see below), whose sum is σ = 5408421480. Its totient is φ = 3603550080.

The previous prime is 4505727731. The next prime is 4505727757. The reversal of 4505727745 is 5477275054.

It can be written as a sum of positive squares in 4 ways, for example, as 1192459024 + 3313268721 = 34532^2 + 57561^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4505727745 - 2⁵ = 4505727713 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4505727695 and 4505727704.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109540 + ... + 144949.

It is an arithmetic number, because the mean of its divisors is an integer number (676052685).

Almost surely, 2^4505727745 is an apocalyptic number.

It is an amenable number.

4505727745 is a deficient number, since it is larger than the sum of its proper divisors (902693735).

4505727745 is a wasteful number, since it uses less digits than its factorization.

4505727745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258035.

The product of its (nonzero) digits is 1372000, while the sum is 46.

The square root of 4505727745 is about 67124.7178392580. The cubic root of 4505727745 is about 1651.6637940315.

The spelling of 4505727745 in words is "four billion, five hundred five million, seven hundred twenty-seven thousand, seven hundred forty-five".