5720735021 has 8 divisors (see below), whose sum is σ = 5748178200. Its totient is φ = 5693341248.

The previous prime is 5720735017. The next prime is 5720735047. The reversal of 5720735021 is 1205370275.

5720735021 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 3258025 + 5717476996 = 1805^2 + 75614^2 .

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 5720735021 - 2² = 5720735017 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5720735011) 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, 231155 + ... + 254703.

It is an arithmetic number, because the mean of its divisors is an integer number (718522275).

Almost surely, 2^5720735021 is an apocalyptic number.

It is an amenable number.

5720735021 is a deficient number, since it is larger than the sum of its proper divisors (27443179).

5720735021 is a wasteful number, since it uses less digits than its factorization.

5720735021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24703.

The product of its (nonzero) digits is 14700, while the sum is 32.

The square root of 5720735021 is about 75635.5407265658. The cubic root of 5720735021 is about 1788.4794074251.

The spelling of 5720735021 in words is "five billion, seven hundred twenty million, seven hundred thirty-five thousand, twenty-one".