6779136 has 144 divisors (see below), whose sum is σ = 22434944. Its totient is φ = 1769472.

The previous prime is 6779131. The next prime is 6779147. The reversal of 6779136 is 6319776.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 6779094 and 6779103.

It is not an unprimeable number, because it can be changed into a prime (6779131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69840 + ... + 69936.

Almost surely, 2^6779136 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 6779136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11217472).

6779136 is an abundant number, since it is smaller than the sum of its proper divisors (15655808).

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

6779136 is a wasteful number, since it uses less digits than its factorization.

6779136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136 (or 122 counting only the distinct ones).

The product of its digits is 47628, while the sum is 39.

The square root of 6779136 is about 2603.6773993719. The cubic root of 6779136 is about 189.2596861395.

The spelling of 6779136 in words is "six million, seven hundred seventy-nine thousand, one hundred thirty-six".