70224173 has 2 divisors, whose sum is σ = 70224174. Its totient is φ = 70224172.

The previous prime is 70224169. The next prime is 70224181. The reversal of 70224173 is 37142207.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69588964 + 635209 = 8342^2 + 797^2 .

It is a cyclic number.

It is not a de Polignac number, because 70224173 - 2² = 70224169 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70244173) 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, 35112086 + 35112087.

It is an arithmetic number, because the mean of its divisors is an integer number (35112087).

Almost surely, 2^70224173 is an apocalyptic number.

It is an amenable number.

70224173 is a deficient number, since it is larger than the sum of its proper divisors (1).

70224173 is an equidigital number, since it uses as much as digits as its factorization.

70224173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 70224173 is about 8379.9864558363. The cubic root of 70224173 is about 412.5680044601.

The spelling of 70224173 in words is "seventy million, two hundred twenty-four thousand, one hundred seventy-three".