6560740 has 12 divisors (see below), whose sum is σ = 13777596. Its totient is φ = 2624288.

The previous prime is 6560737. The next prime is 6560753. The reversal of 6560740 is 470656.

It can be written as a sum of positive squares in 2 ways, for example, as 1658944 + 4901796 = 1288^2 + 2214^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6560699 and 6560708.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163999 + ... + 164038.

It is an arithmetic number, because the mean of its divisors is an integer number (1148133).

Almost surely, 2^6560740 is an apocalyptic number.

It is an amenable number.

6560740 is an abundant number, since it is smaller than the sum of its proper divisors (7216856).

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

6560740 is a wasteful number, since it uses less digits than its factorization.

6560740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328046 (or 328044 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 6560740 is about 2561.3941516291. The cubic root of 6560740 is about 187.2050711486.

The spelling of 6560740 in words is "six million, five hundred sixty thousand, seven hundred forty".