6740977 has 2 divisors, whose sum is σ = 6740978. Its totient is φ = 6740976.

The previous prime is 6740971. The next prime is 6740989. The reversal of 6740977 is 7790476.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3779136 + 2961841 = 1944^2 + 1721^2 .

It is a cyclic number.

It is not a de Polignac number, because 6740977 - 2³ = 6740969 is a prime.

It is not a weakly prime, because it can be changed into another prime (6740971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3370488 + 3370489.

It is an arithmetic number, because the mean of its divisors is an integer number (3370489).

Almost surely, 2^6740977 is an apocalyptic number.

It is an amenable number.

6740977 is a deficient number, since it is larger than the sum of its proper divisors (1).

6740977 is an equidigital number, since it uses as much as digits as its factorization.

6740977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 74088, while the sum is 40.

The square root of 6740977 is about 2596.3391535006. The cubic root of 6740977 is about 188.9039105444.

The spelling of 6740977 in words is "six million, seven hundred forty thousand, nine hundred seventy-seven".