6747691 has 8 divisors (see below), whose sum is σ = 7391520. Its totient is φ = 6131328.

The previous prime is 6747667. The next prime is 6747707. The reversal of 6747691 is 1967476.

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 6747691 - 2¹¹ = 6745643 is a prime.

6747691 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6742691) 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, 6351 + ... + 7336.

It is an arithmetic number, because the mean of its divisors is an integer number (923940).

Almost surely, 2^6747691 is an apocalyptic number.

6747691 is a deficient number, since it is larger than the sum of its proper divisors (643829).

6747691 is a wasteful number, since it uses less digits than its factorization.

6747691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13733.

The product of its digits is 63504, while the sum is 40.

The square root of 6747691 is about 2597.6318060880. The cubic root of 6747691 is about 188.9666057103.

The spelling of 6747691 in words is "six million, seven hundred forty-seven thousand, six hundred ninety-one".