6739128 has 96 divisors (see below), whose sum is σ = 20367360. Its totient is φ = 1995840.

The previous prime is 6739067. The next prime is 6739147. The reversal of 6739128 is 8219376.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 6739092 and 6739101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53001 + ... + 53127.

It is an arithmetic number, because the mean of its divisors is an integer number (212160).

Almost surely, 2^6739128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6739128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10183680).

6739128 is an abundant number, since it is smaller than the sum of its proper divisors (13628232).

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

6739128 is a wasteful number, since it uses less digits than its factorization.

6739128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217 (or 210 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 6739128 is about 2595.9830507921. The cubic root of 6739128 is about 188.8866373178.

It can be divided in two parts, 673 and 9128, that added together give a square (9801 = 99²).

The spelling of 6739128 in words is "six million, seven hundred thirty-nine thousand, one hundred twenty-eight".