6744551 has 4 divisors (see below), whose sum is σ = 7357704. Its totient is φ = 6131400.

The previous prime is 6744539. The next prime is 6744557. The reversal of 6744551 is 1554476.

6744551 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 6744551 - 2¹⁸ = 6482407 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6744557) 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, 306560 + ... + 306581.

It is an arithmetic number, because the mean of its divisors is an integer number (1839426).

Almost surely, 2^6744551 is an apocalyptic number.

6744551 is a deficient number, since it is larger than the sum of its proper divisors (613153).

6744551 is a wasteful number, since it uses less digits than its factorization.

6744551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613152.

The product of its digits is 16800, while the sum is 32.

The square root of 6744551 is about 2597.0273390937. The cubic root of 6744551 is about 188.9372896473.

It can be divided in two parts, 674 and 4551, that added together give a palindrome (5225).

The spelling of 6744551 in words is "six million, seven hundred forty-four thousand, five hundred fifty-one".