172039214 has 8 divisors (see below), whose sum is σ = 259196328. Its totient is φ = 85640440.

The previous prime is 172039213. The next prime is 172039229. The reversal of 172039214 is 412930271.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172039211) 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 3 ways as a sum of consecutive naturals, for example, 189017 + ... + 189924.

It is an arithmetic number, because the mean of its divisors is an integer number (32399541).

Almost surely, 2^172039214 is an apocalyptic number.

172039214 is a deficient number, since it is larger than the sum of its proper divisors (87157114).

172039214 is a wasteful number, since it uses less digits than its factorization.

172039214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379170.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 172039214 is about 13116.3719831362. The cubic root of 172039214 is about 556.1720371481.

Adding to 172039214 its reverse (412930271), we get a palindrome (584969485).

The spelling of 172039214 in words is "one hundred seventy-two million, thirty-nine thousand, two hundred fourteen".