171492672 has 112 divisors (see below), whose sum is σ = 493402112. Its totient is φ = 52254720.

The previous prime is 171492661. The next prime is 171492677. The reversal of 171492672 is 276294171.

171492672 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 171492672.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (171492677) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 316722 + ... + 317262.

It is an arithmetic number, because the mean of its divisors is an integer number (4405376).

Almost surely, 2^171492672 is an apocalyptic number.

171492672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 171492672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (246701056).

171492672 is an abundant number, since it is smaller than the sum of its proper divisors (321909440).

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

171492672 is a wasteful number, since it uses less digits than its factorization.

171492672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696 (or 686 counting only the distinct ones).

The product of its digits is 42336, while the sum is 39.

The square root of 171492672 is about 13095.5210663799. The cubic root of 171492672 is about 555.5824548279.

The spelling of 171492672 in words is "one hundred seventy-one million, four hundred ninety-two thousand, six hundred seventy-two".