173000071 has 2 divisors, whose sum is σ = 173000072. Its totient is φ = 173000070.

The previous prime is 173000063. The next prime is 173000077. The reversal of 173000071 is 170000371.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 173000071 - 2³ = 173000063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (173000077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86500035 + 86500036.

It is an arithmetic number, because the mean of its divisors is an integer number (86500036).

Almost surely, 2^173000071 is an apocalyptic number.

173000071 is a deficient number, since it is larger than the sum of its proper divisors (1).

173000071 is an equidigital number, since it uses as much as digits as its factorization.

173000071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 147, while the sum is 19.

The square root of 173000071 is about 13152.9491369806. The cubic root of 173000071 is about 557.2055417808.

The spelling of 173000071 in words is "one hundred seventy-three million, seventy-one", and thus it is an aban number.