6894742 has 8 divisors (see below), whose sum is σ = 10402416. Its totient is φ = 3427272.

The previous prime is 6894731. The next prime is 6894743. The reversal of 6894742 is 2474986.

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

It is a junction number, because it is equal to n+sod(n) for n = 6894695 and 6894704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6894743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9618 + ... + 10309.

It is an arithmetic number, because the mean of its divisors is an integer number (1300302).

Almost surely, 2^6894742 is an apocalyptic number.

6894742 is a deficient number, since it is larger than the sum of its proper divisors (3507674).

6894742 is a wasteful number, since it uses less digits than its factorization.

6894742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20102.

The product of its digits is 96768, while the sum is 40.

The square root of 6894742 is about 2625.7840733769. The cubic root of 6894742 is about 190.3294561005.

The spelling of 6894742 in words is "six million, eight hundred ninety-four thousand, seven hundred forty-two".