171227072 has 14 divisors (see below), whose sum is σ = 339778848. Its totient is φ = 85613504.

The previous prime is 171227053. The next prime is 171227093. The reversal of 171227072 is 270722171.

171227072 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1337648 + ... + 1337775.

Almost surely, 2^171227072 is an apocalyptic number.

It is an amenable number.

171227072 is a deficient number, since it is larger than the sum of its proper divisors (168551776).

171227072 is an equidigital number, since it uses as much as digits as its factorization.

171227072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2675435 (or 2675425 counting only the distinct ones).

The product of its (nonzero) digits is 2744, while the sum is 29.

The square root of 171227072 is about 13085.3762651289. The cubic root of 171227072 is about 555.2954864046.

The spelling of 171227072 in words is "one hundred seventy-one million, two hundred twenty-seven thousand, seventy-two".