6844745 has 16 divisors (see below), whose sum is σ = 8506512. Its totient is φ = 5283840.

The previous prime is 6844709. The next prime is 6844757. The reversal of 6844745 is 5474486.

It can be written as a sum of positive squares in 8 ways, for example, as 413449 + 6431296 = 643^2 + 2536^2 .

It is not a de Polignac number, because 6844745 - 2¹² = 6840649 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6844699 and 6844708.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35369 + ... + 35561.

It is an arithmetic number, because the mean of its divisors is an integer number (531657).

Almost surely, 2^6844745 is an apocalyptic number.

It is an amenable number.

6844745 is a deficient number, since it is larger than the sum of its proper divisors (1661767).

6844745 is a wasteful number, since it uses less digits than its factorization.

6844745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412.

The product of its digits is 107520, while the sum is 38.

The square root of 6844745 is about 2616.2463569014. The cubic root of 6844745 is about 189.8682835940.

The spelling of 6844745 in words is "six million, eight hundred forty-four thousand, seven hundred forty-five".