6945775 has 24 divisors (see below), whose sum is σ = 9307440. Its totient is φ = 5122560.

The previous prime is 6945749. The next prime is 6945779. The reversal of 6945775 is 5775496.

It is a de Polignac number, because none of the positive numbers 2^k-6945775 is a prime.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6945779) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24937 + ... + 25213.

It is an arithmetic number, because the mean of its divisors is an integer number (387810).

Almost surely, 2^6945775 is an apocalyptic number.

6945775 is a deficient number, since it is larger than the sum of its proper divisors (2361665).

6945775 is a wasteful number, since it uses less digits than its factorization.

6945775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363 (or 358 counting only the distinct ones).

The product of its digits is 264600, while the sum is 43.

The square root of 6945775 is about 2635.4838265487. The cubic root of 6945775 is about 190.7978911613.

The spelling of 6945775 in words is "six million, nine hundred forty-five thousand, seven hundred seventy-five".