6427743 has 8 divisors (see below), whose sum is σ = 9794688. Its totient is φ = 3672984.

The previous prime is 6427739. The next prime is 6427783. The reversal of 6427743 is 3477246.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6427743 - 2² = 6427739 is a prime.

It is a d-powerful number, because it can be written as 6⁶ + 4³ + 2¹³ + 7⁷ + 7⁷ + 4¹¹ + 3¹² .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6427703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153021 + ... + 153062.

It is an arithmetic number, because the mean of its divisors is an integer number (1224336).

Almost surely, 2^6427743 is an apocalyptic number.

6427743 is a deficient number, since it is larger than the sum of its proper divisors (3366945).

6427743 is a wasteful number, since it uses less digits than its factorization.

6427743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306093.

The product of its digits is 28224, while the sum is 33.

The square root of 6427743 is about 2535.2993906046. The cubic root of 6427743 is about 185.9314407978.

It can be divided in two parts, 642 and 7743, that added together give a triangular number (8385 = T₁₂₉).

The spelling of 6427743 in words is "six million, four hundred twenty-seven thousand, seven hundred forty-three".