6744121 has 4 divisors (see below), whose sum is σ = 7140852. Its totient is φ = 6347392.

The previous prime is 6744097. The next prime is 6744137. The reversal of 6744121 is 1214476.

6744121 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 can be written as a sum of positive squares in 2 ways, for example, as 2496400 + 4247721 = 1580^2 + 2061^2 .

It is not a de Polignac number, because 6744121 - 2⁹ = 6743609 is a prime.

It is a super-3 number, since 3×6744121³ (a number of 21 digits) contains 333 as substring.

It is an Ulam number.

It is a Duffinian number.

6744121 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6744161) 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, 198340 + ... + 198373.

It is an arithmetic number, because the mean of its divisors is an integer number (1785213).

Almost surely, 2^6744121 is an apocalyptic number.

It is an amenable number.

6744121 is a deficient number, since it is larger than the sum of its proper divisors (396731).

6744121 is a wasteful number, since it uses less digits than its factorization.

6744121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396730.

The product of its digits is 1344, while the sum is 25.

The square root of 6744121 is about 2596.9445508135. The cubic root of 6744121 is about 188.9332743189.

Adding to 6744121 its reverse (1214476), we get a palindrome (7958597).

The spelling of 6744121 in words is "six million, seven hundred forty-four thousand, one hundred twenty-one".