17317072 has 10 divisors (see below), whose sum is σ = 33551858. Its totient is φ = 8658528.

The previous prime is 17317063. The next prime is 17317093. The reversal of 17317072 is 27071371.

It can be written as a sum of positive squares in only one way, i.e., 13220496 + 4096576 = 3636^2 + 2024^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 17317072.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 541143 + ... + 541174.

Almost surely, 2^17317072 is an apocalyptic number.

It is an amenable number.

17317072 is a deficient number, since it is larger than the sum of its proper divisors (16234786).

17317072 is a wasteful number, since it uses less digits than its factorization.

17317072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1082325 (or 1082319 counting only the distinct ones).

The product of its (nonzero) digits is 2058, while the sum is 28.

The square root of 17317072 is about 4161.3786177179. The cubic root of 17317072 is about 258.7169131614.

The spelling of 17317072 in words is "seventeen million, three hundred seventeen thousand, seventy-two".