5720689 has 8 divisors (see below), whose sum is σ = 6311592. Its totient is φ = 5151360.

The previous prime is 5720657. The next prime is 5720707. The reversal of 5720689 is 9860275.

It can be written as a sum of positive squares in 4 ways, for example, as 613089 + 5107600 = 783^2 + 2260^2 .

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 5720689 - 2⁵ = 5720657 is a prime.

It is a Duffinian number.

5720689 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5720189) 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, 4834 + ... + 5899.

It is an arithmetic number, because the mean of its divisors is an integer number (788949).

Almost surely, 2^5720689 is an apocalyptic number.

It is an amenable number.

5720689 is a deficient number, since it is larger than the sum of its proper divisors (590903).

5720689 is a wasteful number, since it uses less digits than its factorization.

5720689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10787.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 5720689 is about 2391.7961869691. The cubic root of 5720689 is about 178.8474611548.

The spelling of 5720689 in words is "five million, seven hundred twenty thousand, six hundred eighty-nine".