6749553 has 8 divisors (see below), whose sum is σ = 9050400. Its totient is φ = 4474208.

The previous prime is 6749531. The next prime is 6749563. The reversal of 6749553 is 3559476.

6749553 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 6749553 - 2⁵ = 6749521 is a prime.

It is a Curzon number.

6749553 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6749563) 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, 5748 + ... + 6821.

It is an arithmetic number, because the mean of its divisors is an integer number (1131300).

Almost surely, 2^6749553 is an apocalyptic number.

It is an amenable number.

6749553 is a deficient number, since it is larger than the sum of its proper divisors (2300847).

6749553 is a wasteful number, since it uses less digits than its factorization.

6749553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12751.

The product of its digits is 113400, while the sum is 39.

The square root of 6749553 is about 2597.9901847390. The cubic root of 6749553 is about 188.9839856536.

The spelling of 6749553 in words is "six million, seven hundred forty-nine thousand, five hundred fifty-three".