172372214 has 64 divisors (see below), whose sum is σ = 329121792. Its totient is φ = 66009600.

The previous prime is 172372181. The next prime is 172372219. The reversal of 172372214 is 412273271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172372219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 449867 + ... + 450249.

It is an arithmetic number, because the mean of its divisors is an integer number (5142528).

Almost surely, 2^172372214 is an apocalyptic number.

172372214 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

172372214 is a deficient number, since it is larger than the sum of its proper divisors (156749578).

172372214 is a wasteful number, since it uses less digits than its factorization.

172372214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501.

The product of its digits is 4704, while the sum is 29.

The square root of 172372214 is about 13129.0599054159. The cubic root of 172372214 is about 556.5306490359.

It can be divided in two parts, 1723 and 72214, that added together give a palindrome (73937).

The spelling of 172372214 in words is "one hundred seventy-two million, three hundred seventy-two thousand, two hundred fourteen".