17072047 has 2 divisors, whose sum is σ = 17072048. Its totient is φ = 17072046.

The previous prime is 17072017. The next prime is 17072087. The reversal of 17072047 is 74027071.

It is a weak prime.

It is an emirp because it is prime and its reverse (74027071) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 17072047 - 2⁷ = 17071919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17072017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8536023 + 8536024.

It is an arithmetic number, because the mean of its divisors is an integer number (8536024).

Almost surely, 2^17072047 is an apocalyptic number.

17072047 is a deficient number, since it is larger than the sum of its proper divisors (1).

17072047 is an equidigital number, since it uses as much as digits as its factorization.

17072047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2744, while the sum is 28.

The square root of 17072047 is about 4131.8333703091. The cubic root of 17072047 is about 257.4908885455.

The spelling of 17072047 in words is "seventeen million, seventy-two thousand, forty-seven".