5705640 has 96 divisors (see below), whose sum is σ = 19262880. Its totient is φ = 1518912.

The previous prime is 5705629. The next prime is 5705671. The reversal of 5705640 is 465075.

5705640 is a `hidden beast` number, since 570 + 56 + 40 = 666.

5705640 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9427 + ... + 10013.

It is an arithmetic number, because the mean of its divisors is an integer number (200655).

Almost surely, 2^5705640 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5705640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9631440).

5705640 is an abundant number, since it is smaller than the sum of its proper divisors (13557240).

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

5705640 is a wasteful number, since it uses less digits than its factorization.

5705640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613 (or 597 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 5705640 is about 2388.6481532448. The cubic root of 5705640 is about 178.6904964379.

The spelling of 5705640 in words is "five million, seven hundred five thousand, six hundred forty".