17216072 has 8 divisors (see below), whose sum is σ = 32280150. Its totient is φ = 8608032.

The previous prime is 17216057. The next prime is 17216077. The reversal of 17216072 is 27061271.

It can be written as a sum of positive squares in only one way, i.e., 15007876 + 2208196 = 3874^2 + 1486^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (17216077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1075997 + ... + 1076012.

Almost surely, 2^17216072 is an apocalyptic number.

It is an amenable number.

17216072 is a deficient number, since it is larger than the sum of its proper divisors (15064078).

17216072 is a wasteful number, since it uses less digits than its factorization.

17216072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2152015 (or 2152011 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 17216072 is about 4149.2254698919. The cubic root of 17216072 is about 258.2129523988.

The spelling of 17216072 in words is "seventeen million, two hundred sixteen thousand, seventy-two".