170725673 has 2 divisors, whose sum is σ = 170725674. Its totient is φ = 170725672.

The previous prime is 170725657. The next prime is 170725691. The reversal of 170725673 is 376527071.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 134629609 + 36096064 = 11603^2 + 6008^2 .

It is an emirp because it is prime and its reverse (376527071) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 170725673 - 2⁴ = 170725657 is a prime.

It is not a weakly prime, because it can be changed into another prime (170725613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85362836 + 85362837.

It is an arithmetic number, because the mean of its divisors is an integer number (85362837).

Almost surely, 2^170725673 is an apocalyptic number.

It is an amenable number.

170725673 is a deficient number, since it is larger than the sum of its proper divisors (1).

170725673 is an equidigital number, since it uses as much as digits as its factorization.

170725673 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 61740, while the sum is 38.

The square root of 170725673 is about 13066.2034654294. The cubic root of 170725673 is about 554.7529382185.

The spelling of 170725673 in words is "one hundred seventy million, seven hundred twenty-five thousand, six hundred seventy-three".