6748540 has 12 divisors (see below), whose sum is σ = 14171976. Its totient is φ = 2699408.

The previous prime is 6748531. The next prime is 6748571. The reversal of 6748540 is 458476.

It is a junction number, because it is equal to n+sod(n) for n = 6748496 and 6748505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168694 + ... + 168733.

It is an arithmetic number, because the mean of its divisors is an integer number (1180998).

Almost surely, 2^6748540 is an apocalyptic number.

It is an amenable number.

6748540 is an abundant number, since it is smaller than the sum of its proper divisors (7423436).

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

6748540 is a wasteful number, since it uses less digits than its factorization.

6748540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337436 (or 337434 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 6748540 is about 2597.7952190271. The cubic root of 6748540 is about 188.9745306889.

Subtracting from 6748540 its reverse (458476), we obtain a square (6290064 = 2508²).

The spelling of 6748540 in words is "six million, seven hundred forty-eight thousand, five hundred forty".