6749812 has 6 divisors (see below), whose sum is σ = 11812178. Its totient is φ = 3374904.

The previous prime is 6749803. The next prime is 6749819. The reversal of 6749812 is 2189476.

It can be written as a sum of positive squares in only one way, i.e., 4778596 + 1971216 = 2186^2 + 1404^2 .

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6749819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 843723 + ... + 843730.

Almost surely, 2^6749812 is an apocalyptic number.

It is an amenable number.

6749812 is a deficient number, since it is larger than the sum of its proper divisors (5062366).

6749812 is a wasteful number, since it uses less digits than its factorization.

6749812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1687457 (or 1687455 counting only the distinct ones).

The product of its digits is 24192, while the sum is 37.

The square root of 6749812 is about 2598.0400304845. The cubic root of 6749812 is about 188.9864029112.

The spelling of 6749812 in words is "six million, seven hundred forty-nine thousand, eight hundred twelve".