6747540 has 24 divisors (see below), whose sum is σ = 18893280. Its totient is φ = 1799328.

The previous prime is 6747529. The next prime is 6747541. The reversal of 6747540 is 457476.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6747541) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 56170 + ... + 56289.

It is an arithmetic number, because the mean of its divisors is an integer number (787220).

Almost surely, 2^6747540 is an apocalyptic number.

6747540 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6747540 is an abundant number, since it is smaller than the sum of its proper divisors (12145740).

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

6747540 is a wasteful number, since it uses less digits than its factorization.

6747540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112471 (or 112469 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 33.

The square root of 6747540 is about 2597.6027409902. The cubic root of 6747540 is about 188.9651961333.

Subtracting from 6747540 its reverse (457476), we obtain a square (6290064 = 2508²).

The spelling of 6747540 in words is "six million, seven hundred forty-seven thousand, five hundred forty".