6743644 has 6 divisors (see below), whose sum is σ = 11801384. Its totient is φ = 3371820.

The previous prime is 6743629. The next prime is 6743663. The reversal of 6743644 is 4463476.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 842952 + ... + 842959.

Almost surely, 2^6743644 is an apocalyptic number.

It is an amenable number.

6743644 is a deficient number, since it is larger than the sum of its proper divisors (5057740).

6743644 is a wasteful number, since it uses less digits than its factorization.

6743644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1685915 (or 1685913 counting only the distinct ones).

The product of its digits is 48384, while the sum is 34.

The square root of 6743644 is about 2596.8527104940. The cubic root of 6743644 is about 188.9288199061.

The spelling of 6743644 in words is "six million, seven hundred forty-three thousand, six hundred forty-four".