5720766 has 16 divisors (see below), whose sum is σ = 11516304. Its totient is φ = 1894464.

The previous prime is 5720761. The next prime is 5720773. The reversal of 5720766 is 6670275.

5720766 = 381² + 382² + ... + 416².

It is a super-3 number, since 3×5720766³ (a number of 21 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5720761) 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, 2095 + ... + 3978.

It is an arithmetic number, because the mean of its divisors is an integer number (719769).

Almost surely, 2^5720766 is an apocalyptic number.

5720766 is an abundant number, since it is smaller than the sum of its proper divisors (5795538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5720766 is a wasteful number, since it uses less digits than its factorization.

5720766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6235.

The product of its (nonzero) digits is 17640, while the sum is 33.

The square root of 5720766 is about 2391.8122836042. The cubic root of 5720766 is about 178.8482635752.

The spelling of 5720766 in words is "five million, seven hundred twenty thousand, seven hundred sixty-six".