6443673 has 8 divisors (see below), whose sum is σ = 8635968. Its totient is φ = 4273584.

The previous prime is 6443639. The next prime is 6443677. The reversal of 6443673 is 3763446.

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

It is not a de Polignac number, because 6443673 - 2⁸ = 6443417 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (6443677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4861 + ... + 6042.

It is an arithmetic number, because the mean of its divisors is an integer number (1079496).

Almost surely, 2^6443673 is an apocalyptic number.

It is an amenable number.

6443673 is a deficient number, since it is larger than the sum of its proper divisors (2192295).

6443673 is a wasteful number, since it uses less digits than its factorization.

6443673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11103.

The product of its digits is 36288, while the sum is 33.

The square root of 6443673 is about 2538.4390873133. The cubic root of 6443673 is about 186.0849132468.

The spelling of 6443673 in words is "six million, four hundred forty-three thousand, six hundred seventy-three".