5720040 has 48 divisors (see below), whose sum is σ = 18591300. Its totient is φ = 1525248.

The previous prime is 5720017. The next prime is 5720053. The reversal of 5720040 is 400275.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5447556 + 272484 = 2334^2 + 522^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 5719995 and 5720022.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7585 + ... + 8304.

Almost surely, 2^5720040 is an apocalyptic number.

It is an amenable number.

5720040 is an abundant number, since it is smaller than the sum of its proper divisors (12871260).

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

5720040 is a wasteful number, since it uses less digits than its factorization.

5720040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15906 (or 15899 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 18.

The square root of 5720040 is about 2391.6605110258. The cubic root of 5720040 is about 178.8406976110.

The spelling of 5720040 in words is "five million, seven hundred twenty thousand, forty".