17070109 has 4 divisors (see below), whose sum is σ = 19508704. Its totient is φ = 14631516.

The previous prime is 17070103. The next prime is 17070127. The reversal of 17070109 is 90107071.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 90107071 = 89 ⋅1012439.

It is a cyclic number.

It is not a de Polignac number, because 17070109 - 2¹⁷ = 16939037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17070103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1219287 + ... + 1219300.

It is an arithmetic number, because the mean of its divisors is an integer number (4877176).

Almost surely, 2^17070109 is an apocalyptic number.

It is an amenable number.

17070109 is a deficient number, since it is larger than the sum of its proper divisors (2438595).

17070109 is an equidigital number, since it uses as much as digits as its factorization.

17070109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2438594.

The product of its (nonzero) digits is 441, while the sum is 25.

The square root of 17070109 is about 4131.5988430631. The cubic root of 17070109 is about 257.4811448160.

The spelling of 17070109 in words is "seventeen million, seventy thousand, one hundred nine".