6741643 has 4 divisors (see below), whose sum is σ = 6748488. Its totient is φ = 6734800.

The previous prime is 6741641. The next prime is 6741689. The reversal of 6741643 is 3461476.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 6741643 - 2¹ = 6741641 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6741641) 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, 1633 + ... + 4018.

It is an arithmetic number, because the mean of its divisors is an integer number (1687122).

Almost surely, 2^6741643 is an apocalyptic number.

6741643 is a deficient number, since it is larger than the sum of its proper divisors (6845).

6741643 is a wasteful number, since it uses less digits than its factorization.

6741643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6844.

The product of its digits is 12096, while the sum is 31.

The square root of 6741643 is about 2596.4674078447. The cubic root of 6741643 is about 188.9101314954.

The spelling of 6741643 in words is "six million, seven hundred forty-one thousand, six hundred forty-three".