6672977 has 2 divisors, whose sum is σ = 6672978. Its totient is φ = 6672976.

The previous prime is 6672947. The next prime is 6672979. The reversal of 6672977 is 7792766.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4289041 + 2383936 = 2071^2 + 1544^2 .

It is a cyclic number.

It is not a de Polignac number, because 6672977 - 2¹² = 6668881 is a prime.

Together with 6672979, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6672979) 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 as a sum of consecutive naturals, namely, 3336488 + 3336489.

It is an arithmetic number, because the mean of its divisors is an integer number (3336489).

Almost surely, 2^6672977 is an apocalyptic number.

It is an amenable number.

6672977 is a deficient number, since it is larger than the sum of its proper divisors (1).

6672977 is an equidigital number, since it uses as much as digits as its factorization.

6672977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 222264, while the sum is 44.

The square root of 6672977 is about 2583.2105992350. The cubic root of 6672977 is about 188.2665695601.

The spelling of 6672977 in words is "six million, six hundred seventy-two thousand, nine hundred seventy-seven".