6945842 has 8 divisors (see below), whose sum is σ = 10448256. Its totient is φ = 3463092.

The previous prime is 6945817. The next prime is 6945857. The reversal of 6945842 is 2485496.

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

It is a d-powerful number, because it can be written as 6² + 9⁷ + 4² + 5³ + 8 + 4⁸ + 2²¹ .

It is a junction number, because it is equal to n+sod(n) for n = 6945796 and 6945805.

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 3 ways as a sum of consecutive naturals, for example, 3998 + ... + 5465.

It is an arithmetic number, because the mean of its divisors is an integer number (1306032).

Almost surely, 2^6945842 is an apocalyptic number.

6945842 is a deficient number, since it is larger than the sum of its proper divisors (3502414).

6945842 is a wasteful number, since it uses less digits than its factorization.

6945842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9832.

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

The square root of 6945842 is about 2635.4965376566. The cubic root of 6945842 is about 190.7985046478.

The spelling of 6945842 in words is "six million, nine hundred forty-five thousand, eight hundred forty-two".