5766640 has 40 divisors (see below), whose sum is σ = 14628528. Its totient is φ = 2096640.

The previous prime is 5766619. The next prime is 5766641. The reversal of 5766640 is 466675.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 5766596 and 5766605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5766641) 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, 2397 + ... + 4156.

Almost surely, 2^5766640 is an apocalyptic number.

It is an amenable number.

5766640 is an abundant number, since it is smaller than the sum of its proper divisors (8861888).

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

5766640 is a wasteful number, since it uses less digits than its factorization.

5766640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6577 (or 6571 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 5766640 is about 2401.3829348940. The cubic root of 5766640 is about 179.3250442619.

The spelling of 5766640 in words is "five million, seven hundred sixty-six thousand, six hundred forty".