6426743 has 4 divisors (see below), whose sum is σ = 6440640. Its totient is φ = 6412848.

The previous prime is 6426713. The next prime is 6426757. The reversal of 6426743 is 3476246.

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

It is a cyclic number.

It is not a de Polignac number, because 6426743 - 2¹⁰ = 6425719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6426713) 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, 6230 + ... + 7187.

It is an arithmetic number, because the mean of its divisors is an integer number (1610160).

Almost surely, 2^6426743 is an apocalyptic number.

6426743 is a deficient number, since it is larger than the sum of its proper divisors (13897).

6426743 is a wasteful number, since it uses less digits than its factorization.

6426743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13896.

The product of its digits is 24192, while the sum is 32.

The square root of 6426743 is about 2535.1021675664. The cubic root of 6426743 is about 185.9217981656.

The spelling of 6426743 in words is "six million, four hundred twenty-six thousand, seven hundred forty-three".