17085072 has 20 divisors (see below), whose sum is σ = 44136560. Its totient is φ = 5695008.

The previous prime is 17085053. The next prime is 17085073. The reversal of 17085072 is 27058071.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (17085073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177922 + ... + 178017.

It is an arithmetic number, because the mean of its divisors is an integer number (2206828).

Almost surely, 2^17085072 is an apocalyptic number.

17085072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

17085072 is an abundant number, since it is smaller than the sum of its proper divisors (27051488).

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

17085072 is a wasteful number, since it uses less digits than its factorization.

17085072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355950 (or 355944 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 30.

The square root of 17085072 is about 4133.4092466147. The cubic root of 17085072 is about 257.5563555291.

The spelling of 17085072 in words is "seventeen million, eighty-five thousand, seventy-two".