17000047 has 4 divisors (see below), whose sum is σ = 17165200. Its totient is φ = 16834896.

The previous prime is 17000023. The next prime is 17000069. The reversal of 17000047 is 74000071.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74000071 = 251 ⋅294821.

It is a cyclic number.

It is not a de Polignac number, because 17000047 - 2¹¹ = 16997999 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16999988 and 17000033.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17000077) 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 in 3 ways as a sum of consecutive naturals, for example, 82422 + ... + 82627.

It is an arithmetic number, because the mean of its divisors is an integer number (4291300).

Almost surely, 2^17000047 is an apocalyptic number.

17000047 is a deficient number, since it is larger than the sum of its proper divisors (165153).

17000047 is a wasteful number, since it uses less digits than its factorization.

17000047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165152.

The product of its (nonzero) digits is 196, while the sum is 19.

The square root of 17000047 is about 4123.1113252009. Note that the first 3 decimals coincide. The cubic root of 17000047 is about 257.1283960268.

The spelling of 17000047 in words is "seventeen million, forty-seven", and thus it is an aban number and an uban number.