172326336 has 168 divisors, whose sum is σ = 571591440. Its totient is φ = 45416448.

The previous prime is 172326317. The next prime is 172326337. The reversal of 172326336 is 633623271.

It is a tau number, because it is divible by the number of its divisors (168).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 172326297 and 172326306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172326337) 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 23 ways as a sum of consecutive naturals, for example, 121600 + ... + 123008.

It is an arithmetic number, because the mean of its divisors is an integer number (3402330).

Almost surely, 2^172326336 is an apocalyptic number.

172326336 is a gapful number since it is divisible by the number (16) 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 172326336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (285795720).

172326336 is an abundant number, since it is smaller than the sum of its proper divisors (399265104).

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

172326336 is a wasteful number, since it uses less digits than its factorization.

172326336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1451 (or 1434 counting only the distinct ones).

The product of its digits is 27216, while the sum is 33.

The square root of 172326336 is about 13127.3125962628. The cubic root of 172326336 is about 556.4812698890.

The spelling of 172326336 in words is "one hundred seventy-two million, three hundred twenty-six thousand, three hundred thirty-six".