6743889 has 24 divisors (see below), whose sum is σ = 10108800. Its totient is φ = 4329888.

The previous prime is 6743887. The next prime is 6743923. The reversal of 6743889 is 9883476.

It is a happy number.

6743889 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6743889 - 2¹ = 6743887 is a prime.

It is an Ulam number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6743887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45187 + ... + 45335.

It is an arithmetic number, because the mean of its divisors is an integer number (421200).

Almost surely, 2^6743889 is an apocalyptic number.

It is an amenable number.

6743889 is a deficient number, since it is larger than the sum of its proper divisors (3364911).

6743889 is a wasteful number, since it uses less digits than its factorization.

6743889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309 (or 306 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 6743889 is about 2596.8998825523. The cubic root of 6743889 is about 188.9311078383.

It can be divided in two parts, 67 and 43889, that added together give a triangular number (43956 = T₂₉₆).

The spelling of 6743889 in words is "six million, seven hundred forty-three thousand, eight hundred eighty-nine".