6745189 has 4 divisors (see below), whose sum is σ = 7358400. Its totient is φ = 6131980.

The previous prime is 6745183. The next prime is 6745199. The reversal of 6745189 is 9815476.

6745189 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6745189 - 2³ = 6745181 is a prime.

It is a Duffinian number.

6745189 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6745181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 306589 + ... + 306610.

It is an arithmetic number, because the mean of its divisors is an integer number (1839600).

Almost surely, 2^6745189 is an apocalyptic number.

It is an amenable number.

6745189 is a deficient number, since it is larger than the sum of its proper divisors (613211).

6745189 is a wasteful number, since it uses less digits than its factorization.

6745189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613210.

The product of its digits is 60480, while the sum is 40.

The square root of 6745189 is about 2597.1501689352. The cubic root of 6745189 is about 188.9432469596.

The spelling of 6745189 in words is "six million, seven hundred forty-five thousand, one hundred eighty-nine".