6774740 has 72 divisors (see below), whose sum is σ = 17160192. Its totient is φ = 2237760.

The previous prime is 6774731. The next prime is 6774743. The reversal of 6774740 is 474776.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 6774740.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6774743) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30269 + ... + 30491.

It is an arithmetic number, because the mean of its divisors is an integer number (238336).

Almost surely, 2^6774740 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 6774740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8580096).

6774740 is an abundant number, since it is smaller than the sum of its proper divisors (10385452).

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

6774740 is a wasteful number, since it uses less digits than its factorization.

6774740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277 (or 268 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 35.

The square root of 6774740 is about 2602.8330718661. The cubic root of 6774740 is about 189.2187681680.

The spelling of 6774740 in words is "six million, seven hundred seventy-four thousand, seven hundred forty".