6747645 has 16 divisors (see below), whose sum is σ = 10897920. Its totient is φ = 3564864.

The previous prime is 6747619. The next prime is 6747667. The reversal of 6747645 is 5467476.

It is not a de Polignac number, because 6747645 - 2⁵ = 6747613 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 15 ways as a sum of consecutive naturals, for example, 429 + ... + 3698.

It is an arithmetic number, because the mean of its divisors is an integer number (681120).

Almost surely, 2^6747645 is an apocalyptic number.

It is an amenable number.

6747645 is a deficient number, since it is larger than the sum of its proper divisors (4150275).

6747645 is a wasteful number, since it uses less digits than its factorization.

6747645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4244.

The product of its digits is 141120, while the sum is 39.

The square root of 6747645 is about 2597.6229518543. The cubic root of 6747645 is about 188.9661763049.

The spelling of 6747645 in words is "six million, seven hundred forty-seven thousand, six hundred forty-five".