6741647 has 4 divisors (see below), whose sum is σ = 7354536. Its totient is φ = 6128760.

The previous prime is 6741641. The next prime is 6741689. The reversal of 6741647 is 7461476.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-6741647 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 (6741641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 306428 + ... + 306449.

It is an arithmetic number, because the mean of its divisors is an integer number (1838634).

Almost surely, 2^6741647 is an apocalyptic number.

6741647 is a deficient number, since it is larger than the sum of its proper divisors (612889).

6741647 is a wasteful number, since it uses less digits than its factorization.

6741647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612888.

The product of its digits is 28224, while the sum is 35.

The square root of 6741647 is about 2596.4681781220. The cubic root of 6741647 is about 188.9101688572.

It can be divided in two parts, 67 and 41647, that added together give a palindrome (41714).

The spelling of 6741647 in words is "six million, seven hundred forty-one thousand, six hundred forty-seven".