6749906 has 8 divisors (see below), whose sum is σ = 10202544. Its totient is φ = 3349060.

The previous prime is 6749903. The next prime is 6749917. The reversal of 6749906 is 6099476.

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

It is a super-2 number, since 2×6749906² = 91122462017672, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6749903) 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, 12620 + ... + 13143.

It is an arithmetic number, because the mean of its divisors is an integer number (1275318).

Almost surely, 2^6749906 is an apocalyptic number.

6749906 is a deficient number, since it is larger than the sum of its proper divisors (3452638).

6749906 is a wasteful number, since it uses less digits than its factorization.

6749906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25896.

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 6749906 is about 2598.0581209819. The cubic root of 6749906 is about 188.9872802018.

The spelling of 6749906 in words is "six million, seven hundred forty-nine thousand, nine hundred six".