4745406721 has 8 divisors (see below), whose sum is σ = 5190120000. Its totient is φ = 4302912240.

The previous prime is 4745406719. The next prime is 4745406737. The reversal of 4745406721 is 1276045474.

4745406721 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 4745406721 - 2¹ = 4745406719 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4745406751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 550221 + ... + 558778.

It is an arithmetic number, because the mean of its divisors is an integer number (648765000).

Almost surely, 2^4745406721 is an apocalyptic number.

It is an amenable number.

4745406721 is a deficient number, since it is larger than the sum of its proper divisors (444713279).

4745406721 is a wasteful number, since it uses less digits than its factorization.

4745406721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1109399.

The product of its (nonzero) digits is 188160, while the sum is 40.

The square root of 4745406721 is about 68886.9125523854. The cubic root of 4745406721 is about 1680.4456868601.

The spelling of 4745406721 in words is "four billion, seven hundred forty-five million, four hundred six thousand, seven hundred twenty-one".