172214642073 has 8 divisors (see below), whose sum is σ = 229654978336. Its totient is φ = 114792033600.

The previous prime is 172214642063. The next prime is 172214642081. The reversal of 172214642073 is 370246412271.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 172214642073 - 2¹⁸ = 172214379929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (172214642063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4409263 + ... + 4448148.

It is an arithmetic number, because the mean of its divisors is an integer number (28706872292).

Almost surely, 2^172214642073 is an apocalyptic number.

It is an amenable number.

172214642073 is a deficient number, since it is larger than the sum of its proper divisors (57440336263).

172214642073 is an equidigital number, since it uses as much as digits as its factorization.

172214642073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8863895.

The product of its (nonzero) digits is 112896, while the sum is 39.

The spelling of 172214642073 in words is "one hundred seventy-two billion, two hundred fourteen million, six hundred forty-two thousand, seventy-three".