6842945 has 8 divisors (see below), whose sum is σ = 8643840. Its totient is φ = 5186160.

The previous prime is 6842929. The next prime is 6842963. The reversal of 6842945 is 5492486.

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

It is not a de Polignac number, because 6842945 - 2⁴ = 6842929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6842899 and 6842908.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35921 + ... + 36110.

It is an arithmetic number, because the mean of its divisors is an integer number (1080480).

Almost surely, 2^6842945 is an apocalyptic number.

It is an amenable number.

6842945 is a deficient number, since it is larger than the sum of its proper divisors (1800895).

6842945 is a wasteful number, since it uses less digits than its factorization.

6842945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72055.

The product of its digits is 69120, while the sum is 38.

The square root of 6842945 is about 2615.9023299810. The cubic root of 6842945 is about 189.8516385681.

The spelling of 6842945 in words is "six million, eight hundred forty-two thousand, nine hundred forty-five".