676156073 has 2 divisors, whose sum is σ = 676156074. Its totient is φ = 676156072.

The previous prime is 676155947. The next prime is 676156081. The reversal of 676156073 is 370651676.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 676156009 + 64 = 26003^2 + 8^2 .

It is a cyclic number.

It is not a de Polignac number, because 676156073 - 2²⁶ = 609047209 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 676156073.

It is not a weakly prime, because it can be changed into another prime (676156673) 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, 338078036 + 338078037.

It is an arithmetic number, because the mean of its divisors is an integer number (338078037).

Almost surely, 2^676156073 is an apocalyptic number.

It is an amenable number.

676156073 is a deficient number, since it is larger than the sum of its proper divisors (1).

676156073 is an equidigital number, since it uses as much as digits as its factorization.

676156073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 158760, while the sum is 41.

The square root of 676156073 is about 26003.0012306272. The cubic root of 676156073 is about 877.7058325652.

The spelling of 676156073 in words is "six hundred seventy-six million, one hundred fifty-six thousand, seventy-three".