8072173 has 2 divisors, whose sum is σ = 8072174. Its totient is φ = 8072172.

The previous prime is 8072171. The next prime is 8072189. The reversal of 8072173 is 3712708.

It is a happy number.

8072173 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6441444 + 1630729 = 2538^2 + 1277^2 .

It is a cyclic number.

It is not a de Polignac number, because 8072173 - 2¹ = 8072171 is a prime.

Together with 8072171, it forms a pair of twin primes.

8072173 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8072171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4036086 + 4036087.

It is an arithmetic number, because the mean of its divisors is an integer number (4036087).

Almost surely, 2^8072173 is an apocalyptic number.

It is an amenable number.

8072173 is a deficient number, since it is larger than the sum of its proper divisors (1).

8072173 is an equidigital number, since it uses as much as digits as its factorization.

8072173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 8072173 is about 2841.1569826393. The cubic root of 8072173 is about 200.5996420171.

The spelling of 8072173 in words is "eight million, seventy-two thousand, one hundred seventy-three".