5720640 has 112 divisors (see below), whose sum is σ = 18653760. Its totient is φ = 1484800.

The previous prime is 5720621. The next prime is 5720657. The reversal of 5720640 is 460275.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 5720640.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56590 + ... + 56690.

Almost surely, 2^5720640 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 5720640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9326880).

5720640 is an abundant number, since it is smaller than the sum of its proper divisors (12933120).

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

5720640 is a wasteful number, since it uses less digits than its factorization.

5720640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180 (or 170 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 5720640 is about 2391.7859435995. The cubic root of 5720640 is about 178.8469505199.

The spelling of 5720640 in words is "five million, seven hundred twenty thousand, six hundred forty".