1670477 has 2 divisors, whose sum is σ = 1670478. Its totient is φ = 1670476.

The previous prime is 1670447. The next prime is 1670489. The reversal of 1670477 is 7740761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 885481 + 784996 = 941^2 + 886^2 .

It is a cyclic number.

It is not a de Polignac number, because 1670477 - 2⁶ = 1670413 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 (1670407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 835238 + 835239.

It is an arithmetic number, because the mean of its divisors is an integer number (835239).

2^1670477 is an apocalyptic number.

It is an amenable number.

1670477 is a deficient number, since it is larger than the sum of its proper divisors (1).

1670477 is an equidigital number, since it uses as much as digits as its factorization.

1670477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8232, while the sum is 32.

The square root of 1670477 is about 1292.4693419962. The cubic root of 1670477 is about 118.6533943761.

The spelling of 1670477 in words is "one million, six hundred seventy thousand, four hundred seventy-seven".