7142173 has 2 divisors, whose sum is σ = 7142174. Its totient is φ = 7142172.

The previous prime is 7142141. The next prime is 7142189. The reversal of 7142173 is 3712417.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6874884 + 267289 = 2622^2 + 517^2 .

It is an emirp because it is prime and its reverse (3712417) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7142173 - 2⁵ = 7142141 is a prime.

7142173 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7140173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3571086 + 3571087.

It is an arithmetic number, because the mean of its divisors is an integer number (3571087).

Almost surely, 2^7142173 is an apocalyptic number.

It is an amenable number.

7142173 is a deficient number, since it is larger than the sum of its proper divisors (1).

7142173 is an equidigital number, since it uses as much as digits as its factorization.

7142173 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1176, while the sum is 25.

The square root of 7142173 is about 2672.4844246506. The cubic root of 7142173 is about 192.5795297403.

The spelling of 7142173 in words is "seven million, one hundred forty-two thousand, one hundred seventy-three".