6711540 has 48 divisors (see below), whose sum is σ = 20502720. Its totient is φ = 1626880.

The previous prime is 6711539. The next prime is 6711571. The reversal of 6711540 is 451176.

It is a self number, because there is not a number n which added to its sum of digits gives 6711540.

It is a congruent number.

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, 4425 + ... + 5744.

It is an arithmetic number, because the mean of its divisors is an integer number (427140).

Almost surely, 2^6711540 is an apocalyptic number.

6711540 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6711540 is an abundant number, since it is smaller than the sum of its proper divisors (13791180).

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

6711540 is a wasteful number, since it uses less digits than its factorization.

6711540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10192 (or 10190 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 6711540 is about 2590.6640075471. The cubic root of 6711540 is about 188.6285360947.

It can be divided in two parts, 671 and 1540, that added together give a triangular number (2211 = T₆₆).

The spelling of 6711540 in words is "six million, seven hundred eleven thousand, five hundred forty".