5720415721 has 8 divisors (see below), whose sum is σ = 5975910720. Its totient is φ = 5465485872.

The previous prime is 5720415691. The next prime is 5720415787. The reversal of 5720415721 is 1275140275.

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

It is a cyclic number.

It is not a de Polignac number, because 5720415721 - 2²⁵ = 5686861289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5720415791) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120526 + ... + 161143.

It is an arithmetic number, because the mean of its divisors is an integer number (746988840).

Almost surely, 2^5720415721 is an apocalyptic number.

It is an amenable number.

5720415721 is a deficient number, since it is larger than the sum of its proper divisors (255494999).

5720415721 is a wasteful number, since it uses less digits than its factorization.

5720415721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282575.

The product of its (nonzero) digits is 19600, while the sum is 34.

The square root of 5720415721 is about 75633.4299169355. The cubic root of 5720415721 is about 1788.4461324411.

Adding to 5720415721 its reverse (1275140275), we get a palindrome (6995555996).

The spelling of 5720415721 in words is "five billion, seven hundred twenty million, four hundred fifteen thousand, seven hundred twenty-one".