206070673 has 2 divisors, whose sum is σ = 206070674. Its totient is φ = 206070672.

The previous prime is 206070661. The next prime is 206070677. The reversal of 206070673 is 376070602.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 144793089 + 61277584 = 12033^2 + 7828^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-206070673 is a prime.

It is equal to p_11396308 and since 206070673 and 11396308 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (206070677) 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, 103035336 + 103035337.

It is an arithmetic number, because the mean of its divisors is an integer number (103035337).

Almost surely, 2^206070673 is an apocalyptic number.

It is an amenable number.

206070673 is a deficient number, since it is larger than the sum of its proper divisors (1).

206070673 is an equidigital number, since it uses as much as digits as its factorization.

206070673 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10584, while the sum is 31.

The square root of 206070673 is about 14355.1618938973. The cubic root of 206070673 is about 590.6615895625.

The spelling of 206070673 in words is "two hundred six million, seventy thousand, six hundred seventy-three".