6726847 has 4 divisors (see below), whose sum is σ = 6768280. Its totient is φ = 6685416.

The previous prime is 6726821. The next prime is 6726947. The reversal of 6726847 is 7486276.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6726847 is a prime.

It is a super-2 number, since 2×6726847² = 90500941122818, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6726547) 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, 20472 + ... + 20797.

It is an arithmetic number, because the mean of its divisors is an integer number (1692070).

Almost surely, 2^6726847 is an apocalyptic number.

6726847 is a deficient number, since it is larger than the sum of its proper divisors (41433).

6726847 is a wasteful number, since it uses less digits than its factorization.

6726847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41432.

The product of its digits is 112896, while the sum is 40.

The square root of 6726847 is about 2593.6165869303. The cubic root of 6726847 is about 188.7718288278.

The spelling of 6726847 in words is "six million, seven hundred twenty-six thousand, eight hundred forty-seven".