174420073 has 2 divisors, whose sum is σ = 174420074. Its totient is φ = 174420072.

The previous prime is 174420061. The next prime is 174420121. The reversal of 174420073 is 370024471.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 159466384 + 14953689 = 12628^2 + 3867^2 .

It is an emirp because it is prime and its reverse (370024471) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 174420073 - 2⁹ = 174419561 is a prime.

It is not a weakly prime, because it can be changed into another prime (174420173) 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, 87210036 + 87210037.

It is an arithmetic number, because the mean of its divisors is an integer number (87210037).

Almost surely, 2^174420073 is an apocalyptic number.

It is an amenable number.

174420073 is a deficient number, since it is larger than the sum of its proper divisors (1).

174420073 is an equidigital number, since it uses as much as digits as its factorization.

174420073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 174420073 is about 13206.8191855571. The cubic root of 174420073 is about 558.7259225862.

The spelling of 174420073 in words is "one hundred seventy-four million, four hundred twenty thousand, seventy-three".