6697477 has 2 divisors, whose sum is σ = 6697478. Its totient is φ = 6697476.

The previous prime is 6697459. The next prime is 6697487. The reversal of 6697477 is 7747966.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6548481 + 148996 = 2559^2 + 386^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6697477 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6697487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3348738 + 3348739.

It is an arithmetic number, because the mean of its divisors is an integer number (3348739).

Almost surely, 2^6697477 is an apocalyptic number.

It is an amenable number.

6697477 is a deficient number, since it is larger than the sum of its proper divisors (1).

6697477 is an equidigital number, since it uses as much as digits as its factorization.

6697477 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 444528, while the sum is 46.

The square root of 6697477 is about 2587.9484152510. The cubic root of 6697477 is about 188.4966966050.

The spelling of 6697477 in words is "six million, six hundred ninety-seven thousand, four hundred seventy-seven".