17072272 has 40 divisors (see below), whose sum is σ = 38001536. Its totient is φ = 7278336.

The previous prime is 17072269. The next prime is 17072339. The reversal of 17072272 is 27227071.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 17072272.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34813 + ... + 35299.

Almost surely, 2^17072272 is an apocalyptic number.

It is an amenable number.

17072272 is an abundant number, since it is smaller than the sum of its proper divisors (20929264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

17072272 is a wasteful number, since it uses less digits than its factorization.

17072272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815 (or 809 counting only the distinct ones).

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

The square root of 17072272 is about 4131.8605978421. The cubic root of 17072272 is about 257.4920197357.

The spelling of 17072272 in words is "seventeen million, seventy-two thousand, two hundred seventy-two".