6750045 has 12 divisors (see below), whose sum is σ = 11700156. Its totient is φ = 3600000.

The previous prime is 6750019. The next prime is 6750053. The reversal of 6750045 is 5400576.

It can be written as a sum of positive squares in 2 ways, for example, as 2377764 + 4372281 = 1542^2 + 2091^2 .

It is not a de Polignac number, because 6750045 - 2⁷ = 6749917 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74956 + ... + 75045.

It is an arithmetic number, because the mean of its divisors is an integer number (975013).

Almost surely, 2^6750045 is an apocalyptic number.

It is an amenable number.

6750045 is a deficient number, since it is larger than the sum of its proper divisors (4950111).

6750045 is a wasteful number, since it uses less digits than its factorization.

6750045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150012 (or 150009 counting only the distinct ones).

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

The square root of 6750045 is about 2598.0848715929. The cubic root of 6750045 is about 188.9885774570.

The spelling of 6750045 in words is "six million, seven hundred fifty thousand, forty-five".