6745687 has 8 divisors (see below), whose sum is σ = 7295904. Its totient is φ = 6199968.

The previous prime is 6745679. The next prime is 6745691. The reversal of 6745687 is 7865476.

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

It is a cyclic number.

It is not a de Polignac number, because 6745687 - 2³ = 6745679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6745657) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2433 + ... + 4405.

It is an arithmetic number, because the mean of its divisors is an integer number (911988).

Almost surely, 2^6745687 is an apocalyptic number.

6745687 is a deficient number, since it is larger than the sum of its proper divisors (550217).

6745687 is a wasteful number, since it uses less digits than its factorization.

6745687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2249.

The product of its digits is 282240, while the sum is 43.

The square root of 6745687 is about 2597.2460414832. The cubic root of 6745687 is about 188.9478967636.

It can be divided in two parts, 67 and 45687, that added together give a palindrome (45754).

The spelling of 6745687 in words is "six million, seven hundred forty-five thousand, six hundred eighty-seven".