6774040 has 64 divisors (see below), whose sum is σ = 18768960. Its totient is φ = 2142720.

The previous prime is 6774017. The next prime is 6774059. The reversal of 6774040 is 404776.

6774040 = 665² + 666² + ... + 679².

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2710 + ... + 4570.

It is an arithmetic number, because the mean of its divisors is an integer number (293265).

Almost surely, 2^6774040 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 6774040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9384480).

6774040 is an abundant number, since it is smaller than the sum of its proper divisors (11994920).

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

6774040 is a wasteful number, since it uses less digits than its factorization.

6774040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1892 (or 1888 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 6774040 is about 2602.6985995309. The cubic root of 6774040 is about 189.2122509339.

The spelling of 6774040 in words is "six million, seven hundred seventy-four thousand, forty".