6771138 has 16 divisors (see below), whose sum is σ = 14773536. Its totient is φ = 2051840.

The previous prime is 6771137. The next prime is 6771139. The reversal of 6771138 is 8311776.

It is an interprime number because it is at equal distance from previous prime (6771137) and next prime (6771139).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 6771099 and 6771108.

It is not an unprimeable number, because it can be changed into a prime (6771137) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 51231 + ... + 51362.

It is an arithmetic number, because the mean of its divisors is an integer number (923346).

Almost surely, 2^6771138 is an apocalyptic number.

6771138 is an abundant number, since it is smaller than the sum of its proper divisors (8002398).

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

6771138 is a wasteful number, since it uses less digits than its factorization.

6771138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102609.

The product of its digits is 7056, while the sum is 33.

The square root of 6771138 is about 2602.1410415271. The cubic root of 6771138 is about 189.1852275534.

The spelling of 6771138 in words is "six million, seven hundred seventy-one thousand, one hundred thirty-eight".