6769840 has 120 divisors (see below), whose sum is σ = 20101392. Its totient is φ = 2096640.

The previous prime is 6769831. The next prime is 6769897. The reversal of 6769840 is 489676.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a nialpdrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 6769793 and 6769802.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43042 + ... + 43198.

Almost surely, 2^6769840 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 6769840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10050696).

6769840 is an abundant number, since it is smaller than the sum of its proper divisors (13331552).

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

6769840 is a wasteful number, since it uses less digits than its factorization.

6769840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195 (or 182 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 6769840 is about 2601.8916195722. The cubic root of 6769840 is about 189.1731380977.

The spelling of 6769840 in words is "six million, seven hundred sixty-nine thousand, eight hundred forty".