6770556 has 144 divisors (see below), whose sum is σ = 20913984. Its totient is φ = 1824768.

The previous prime is 6770549. The next prime is 6770557. The reversal of 6770556 is 6550776.

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

It is a self number, because there is not a number n which added to its sum of digits gives 6770556.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6770557) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 182970 + ... + 183006.

It is an arithmetic number, because the mean of its divisors is an integer number (145236).

Almost surely, 2^6770556 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 6770556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10456992).

6770556 is an abundant number, since it is smaller than the sum of its proper divisors (14143428).

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

6770556 is a wasteful number, since it uses less digits than its factorization.

6770556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100 (or 95 counting only the distinct ones).

The product of its (nonzero) digits is 44100, while the sum is 36.

The square root of 6770556 is about 2602.0292081374. The cubic root of 6770556 is about 189.1798070486.

The spelling of 6770556 in words is "six million, seven hundred seventy thousand, five hundred fifty-six".