171276672 has 64 divisors (see below), whose sum is σ = 519955200. Its totient is φ = 48935424.

The previous prime is 171276617. The next prime is 171276701. The reversal of 171276672 is 276672171.

It is a tau number, because it is divible by the number of its divisors (64).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 171276672.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29172 + ... + 34547.

It is an arithmetic number, because the mean of its divisors is an integer number (8124300).

Almost surely, 2^171276672 is an apocalyptic number.

171276672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

171276672 is an abundant number, since it is smaller than the sum of its proper divisors (348678528).

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

171276672 is an equidigital number, since it uses as much as digits as its factorization.

171276672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63743 (or 63731 counting only the distinct ones).

The product of its digits is 49392, while the sum is 39.

The square root of 171276672 is about 13087.2713733612. The cubic root of 171276672 is about 555.3490994164.

The spelling of 171276672 in words is "one hundred seventy-one million, two hundred seventy-six thousand, six hundred seventy-two".