6750540 has 84 divisors (see below), whose sum is σ = 21300384. Its totient is φ = 1796256.

The previous prime is 6750511. The next prime is 6750551. The reversal of 6750540 is 450576.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 14349 + ... + 14811.

It is an arithmetic number, because the mean of its divisors is an integer number (253576).

Almost surely, 2^6750540 is an apocalyptic number.

6750540 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6750540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10650192).

6750540 is an abundant number, since it is smaller than the sum of its proper divisors (14549844).

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

6750540 is a wasteful number, since it uses less digits than its factorization.

6750540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490 (or 473 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 6750540 is about 2598.1801323234. The cubic root of 6750540 is about 188.9931970340.

The spelling of 6750540 in words is "six million, seven hundred fifty thousand, five hundred forty".