6771944 has 8 divisors (see below), whose sum is σ = 12697410. Its totient is φ = 3385968.

The previous prime is 6771943. The next prime is 6771953. The reversal of 6771944 is 4491776.

It can be written as a sum of positive squares in only one way, i.e., 5943844 + 828100 = 2438^2 + 910^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 6771898 and 6771907.

It is not an unprimeable number, because it can be changed into a prime (6771943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 423239 + ... + 423254.

Almost surely, 2^6771944 is an apocalyptic number.

It is an amenable number.

6771944 is a deficient number, since it is larger than the sum of its proper divisors (5925466).

6771944 is a wasteful number, since it uses less digits than its factorization.

6771944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 846499 (or 846495 counting only the distinct ones).

The product of its digits is 42336, while the sum is 38.

The square root of 6771944 is about 2602.2959093846. The cubic root of 6771944 is about 189.1927337876.

The spelling of 6771944 in words is "six million, seven hundred seventy-one thousand, nine hundred forty-four".