6739845 has 16 divisors (see below), whose sum is σ = 12324480. Its totient is φ = 3081024.

The previous prime is 6739807. The next prime is 6739877. The reversal of 6739845 is 5489376.

It is a happy number.

It is not a de Polignac number, because 6739845 - 2⁹ = 6739333 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 6739797 and 6739806.

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 in 15 ways as a sum of consecutive naturals, for example, 31990 + ... + 32199.

It is an arithmetic number, because the mean of its divisors is an integer number (770280).

Almost surely, 2^6739845 is an apocalyptic number.

It is an amenable number.

6739845 is a deficient number, since it is larger than the sum of its proper divisors (5584635).

6739845 is a wasteful number, since it uses less digits than its factorization.

6739845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64204.

The product of its digits is 181440, while the sum is 42.

The square root of 6739845 is about 2596.1211450932. The cubic root of 6739845 is about 188.8933358558.

The spelling of 6739845 in words is "six million, seven hundred thirty-nine thousand, eight hundred forty-five".