6745387 has 12 divisors (see below), whose sum is σ = 7498008. Its totient is φ = 6063200.

The previous prime is 6745369. The next prime is 6745391. The reversal of 6745387 is 7835476.

It is a de Polignac number, because none of the positive numbers 2^k-6745387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6745307) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12687 + ... + 13207.

It is an arithmetic number, because the mean of its divisors is an integer number (624834).

Almost surely, 2^6745387 is an apocalyptic number.

6745387 is a deficient number, since it is larger than the sum of its proper divisors (752621).

6745387 is a wasteful number, since it uses less digits than its factorization.

6745387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650 (or 639 counting only the distinct ones).

The product of its digits is 141120, while the sum is 40.

The square root of 6745387 is about 2597.1882873600. The cubic root of 6745387 is about 188.9450957042.

It can be divided in two parts, 67 and 45387, that added together give a palindrome (45454).

The spelling of 6745387 in words is "six million, seven hundred forty-five thousand, three hundred eighty-seven".