6771378 has 16 divisors (see below), whose sum is σ = 13569696. Its totient is φ = 2252640.

The previous prime is 6771367. The next prime is 6771379. The reversal of 6771378 is 8731776.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6771379) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3825 + ... + 5307.

It is an arithmetic number, because the mean of its divisors is an integer number (848106).

Almost surely, 2^6771378 is an apocalyptic number.

6771378 is an abundant number, since it is smaller than the sum of its proper divisors (6798318).

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

6771378 is a wasteful number, since it uses less digits than its factorization.

6771378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2249.

The product of its digits is 49392, while the sum is 39.

The square root of 6771378 is about 2602.1871569893. The cubic root of 6771378 is about 189.1874627226.

The spelling of 6771378 in words is "six million, seven hundred seventy-one thousand, three hundred seventy-eight".