6749223 has 16 divisors (see below), whose sum is σ = 9853536. Its totient is φ = 4083840.

The previous prime is 6749213. The next prime is 6749261. The reversal of 6749223 is 3229476.

It is not a de Polignac number, because 6749223 - 2⁵ = 6749191 is a prime.

It is a super-2 number, since 2×6749223² = 91104022207458, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6749203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 961 + ... + 3797.

It is an arithmetic number, because the mean of its divisors is an integer number (615846).

Almost surely, 2^6749223 is an apocalyptic number.

6749223 is a deficient number, since it is larger than the sum of its proper divisors (3104313).

6749223 is a wasteful number, since it uses less digits than its factorization.

6749223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2914.

The product of its digits is 18144, while the sum is 33.

The square root of 6749223 is about 2597.9266733301. The cubic root of 6749223 is about 188.9809056604.

The spelling of 6749223 in words is "six million, seven hundred forty-nine thousand, two hundred twenty-three".