6749951 has 4 divisors (see below), whose sum is σ = 7269192. Its totient is φ = 6230712.

The previous prime is 6749933. The next prime is 6749983. The reversal of 6749951 is 1599476.

6749951 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6749951 - 2⁶ = 6749887 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6749899 and 6749908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6742951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 259601 + ... + 259626.

It is an arithmetic number, because the mean of its divisors is an integer number (1817298).

Almost surely, 2^6749951 is an apocalyptic number.

6749951 is a deficient number, since it is larger than the sum of its proper divisors (519241).

6749951 is a wasteful number, since it uses less digits than its factorization.

6749951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519240.

The product of its digits is 68040, while the sum is 41.

The square root of 6749951 is about 2598.0667812818. The cubic root of 6749951 is about 188.9877001784.

The spelling of 6749951 in words is "six million, seven hundred forty-nine thousand, nine hundred fifty-one".