6747945 has 16 divisors (see below), whose sum is σ = 11365440. Its totient is φ = 3409344.

The previous prime is 6747899. The next prime is 6747953. The reversal of 6747945 is 5497476.

6747945 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6747945 - 2¹¹ = 6745897 is a prime.

6747945 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 6747897 and 6747906.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11554 + ... + 12123.

It is an arithmetic number, because the mean of its divisors is an integer number (710340).

Almost surely, 2^6747945 is an apocalyptic number.

It is an amenable number.

6747945 is a deficient number, since it is larger than the sum of its proper divisors (4617495).

6747945 is a wasteful number, since it uses less digits than its factorization.

6747945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23704.

The product of its digits is 211680, while the sum is 42.

The square root of 6747945 is about 2597.6806963135. The cubic root of 6747945 is about 188.9689767394.

The spelling of 6747945 in words is "six million, seven hundred forty-seven thousand, nine hundred forty-five".