6865742 has 16 divisors (see below), whose sum is σ = 11137392. Its totient is φ = 3155520.

The previous prime is 6865717. The next prime is 6865759. The reversal of 6865742 is 2475686.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 6865696 and 6865705.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 8642 + ... + 9402.

It is an arithmetic number, because the mean of its divisors is an integer number (696087).

Almost surely, 2^6865742 is an apocalyptic number.

6865742 is a deficient number, since it is larger than the sum of its proper divisors (4271650).

6865742 is a wasteful number, since it uses less digits than its factorization.

6865742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1123.

The product of its digits is 80640, while the sum is 38.

The square root of 6865742 is about 2620.2560943541. The cubic root of 6865742 is about 190.0622326150.

The spelling of 6865742 in words is "six million, eight hundred sixty-five thousand, seven hundred forty-two".