4752715721 has 16 divisors (see below), whose sum is σ = 5606269200. Its totient is φ = 3986669568.

The previous prime is 4752715711. The next prime is 4752715757. The reversal of 4752715721 is 1275172574.

It can be written as a sum of positive squares in 8 ways, for example, as 10465225 + 4742250496 = 3235^2 + 68864^2 .

It is a cyclic number.

It is not a de Polignac number, because 4752715721 - 2¹⁰ = 4752714697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4752715711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 364376 + ... + 377193.

It is an arithmetic number, because the mean of its divisors is an integer number (350391825).

Almost surely, 2^4752715721 is an apocalyptic number.

It is an amenable number.

4752715721 is a deficient number, since it is larger than the sum of its proper divisors (853553479).

4752715721 is a wasteful number, since it uses less digits than its factorization.

4752715721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 741628.

The product of its digits is 137200, while the sum is 41.

The square root of 4752715721 is about 68939.9428560831. The cubic root of 4752715721 is about 1681.3079998122.

The spelling of 4752715721 in words is "four billion, seven hundred fifty-two million, seven hundred fifteen thousand, seven hundred twenty-one".