171972082 has 16 divisors (see below), whose sum is σ = 263075904. Its totient is φ = 84294000.

The previous prime is 171972029. The next prime is 171972083. The reversal of 171972082 is 280279171.

171972082 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (171972083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22357 + ... + 29047.

It is an arithmetic number, because the mean of its divisors is an integer number (16442244).

Almost surely, 2^171972082 is an apocalyptic number.

171972082 is a deficient number, since it is larger than the sum of its proper divisors (91103822).

171972082 is a wasteful number, since it uses less digits than its factorization.

171972082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6945.

The product of its (nonzero) digits is 14112, while the sum is 37.

The square root of 171972082 is about 13113.8126416386. The cubic root of 171972082 is about 556.0996858164.

The spelling of 171972082 in words is "one hundred seventy-one million, nine hundred seventy-two thousand, eighty-two".