94721173 has 2 divisors, whose sum is σ = 94721174. Its totient is φ = 94721172.

The previous prime is 94721167. The next prime is 94721189. The reversal of 94721173 is 37112749.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58033924 + 36687249 = 7618^2 + 6057^2 .

It is a cyclic number.

It is not a de Polignac number, because 94721173 - 2¹⁷ = 94590101 is a prime.

It is a super-2 number, since 2×94721173² = 17944201228991858, which contains 22 as substring.

It is equal to p_5474383 and since 94721173 and 5474383 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (94721113) 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, 47360586 + 47360587.

It is an arithmetic number, because the mean of its divisors is an integer number (47360587).

Almost surely, 2^94721173 is an apocalyptic number.

It is an amenable number.

94721173 is a deficient number, since it is larger than the sum of its proper divisors (1).

94721173 is an equidigital number, since it uses as much as digits as its factorization.

94721173 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10584, while the sum is 34.

The square root of 94721173 is about 9732.4803107944. The cubic root of 94721173 is about 455.8434189105.

The spelling of 94721173 in words is "ninety-four million, seven hundred twenty-one thousand, one hundred seventy-three".