174970009 has 2 divisors, whose sum is σ = 174970010. Its totient is φ = 174970008.

The previous prime is 174970007. The next prime is 174970027. The reversal of 174970009 is 900079471.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 112954384 + 62015625 = 10628^2 + 7875^2 .

It is an emirp because it is prime and its reverse (900079471) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 174970009 - 2¹ = 174970007 is a prime.

It is a super-2 number, since 2×174970009² = 61229008098920162, which contains 22 as substring.

Together with 174970007, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 174970009.

It is not a weakly prime, because it can be changed into another prime (174970007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 87485004 + 87485005.

It is an arithmetic number, because the mean of its divisors is an integer number (87485005).

Almost surely, 2^174970009 is an apocalyptic number.

It is an amenable number.

174970009 is a deficient number, since it is larger than the sum of its proper divisors (1).

174970009 is an equidigital number, since it uses as much as digits as its factorization.

174970009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15876, while the sum is 37.

The square root of 174970009 is about 13227.6229535015. The cubic root of 174970009 is about 559.3125162627.

The spelling of 174970009 in words is "one hundred seventy-four million, nine hundred seventy thousand, nine".