6889742 has 16 divisors (see below), whose sum is σ = 11352960. Its totient is φ = 3121272.

The previous prime is 6889741. The next prime is 6889759. The reversal of 6889742 is 2479886.

It is a junction number, because it is equal to n+sod(n) for n = 6889693 and 6889702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6889741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3068 + ... + 4815.

It is an arithmetic number, because the mean of its divisors is an integer number (709560).

Almost surely, 2^6889742 is an apocalyptic number.

6889742 is a deficient number, since it is larger than the sum of its proper divisors (4463218).

6889742 is a wasteful number, since it uses less digits than its factorization.

6889742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7927.

The product of its digits is 193536, while the sum is 44.

The square root of 6889742 is about 2624.8318041353. The cubic root of 6889742 is about 190.2834366162.

The spelling of 6889742 in words is "six million, eight hundred eighty-nine thousand, seven hundred forty-two".