6789642 has 16 divisors (see below), whose sum is σ = 13606272. Its totient is φ = 2258720.

The previous prime is 6789637. The next prime is 6789701. The reversal of 6789642 is 2469876.

It is a junction number, because it is equal to n+sod(n) for n = 6789594 and 6789603.

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, 3823 + ... + 5309.

It is an arithmetic number, because the mean of its divisors is an integer number (850392).

Almost surely, 2^6789642 is an apocalyptic number.

6789642 is an abundant number, since it is smaller than the sum of its proper divisors (6816630).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6789642 is a wasteful number, since it uses less digits than its factorization.

6789642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2253.

The product of its digits is 145152, while the sum is 42.

The square root of 6789642 is about 2605.6941493583. The cubic root of 6789642 is about 189.3574043929.

The spelling of 6789642 in words is "six million, seven hundred eighty-nine thousand, six hundred forty-two".