6750745 has 8 divisors (see below), whose sum is σ = 8127360. Its totient is φ = 5382960.

The previous prime is 6750727. The next prime is 6750781. The reversal of 6750745 is 5470576.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6750745 - 2⁵ = 6750713 is a prime.

6750745 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 6750745.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 385 + ... + 3694.

It is an arithmetic number, because the mean of its divisors is an integer number (1015920).

Almost surely, 2^6750745 is an apocalyptic number.

It is an amenable number.

6750745 is a deficient number, since it is larger than the sum of its proper divisors (1376615).

6750745 is a wasteful number, since it uses less digits than its factorization.

6750745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4415.

The product of its (nonzero) digits is 29400, while the sum is 34.

The square root of 6750745 is about 2598.2195827143. The cubic root of 6750745 is about 188.9951101261.

The spelling of 6750745 in words is "six million, seven hundred fifty thousand, seven hundred forty-five".