6761844 has 72 divisors (see below), whose sum is σ = 18100992. Its totient is φ = 2125440.

The previous prime is 6761819. The next prime is 6761873. The reversal of 6761844 is 4481676.

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

Its product of digits (32256) is a multiple of the sum of its prime divisors (192).

It is a junction number, because it is equal to n+sod(n) for n = 6761799 and 6761808.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 81427 + ... + 81509.

Almost surely, 2^6761844 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 6761844, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9050496).

6761844 is an abundant number, since it is smaller than the sum of its proper divisors (11339148).

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

6761844 is a wasteful number, since it uses less digits than its factorization.

6761844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197 (or 192 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 6761844 is about 2600.3545912048. The cubic root of 6761844 is about 189.0986299687.

The spelling of 6761844 in words is "six million, seven hundred sixty-one thousand, eight hundred forty-four".