172275246 has 192 divisors, whose sum is σ = 483065856. Its totient is φ = 43545600.

The previous prime is 172275227. The next prime is 172275247. The reversal of 172275246 is 642572271.

It is a happy number.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 172275246.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172275247) 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 95 ways as a sum of consecutive naturals, for example, 1356435 + ... + 1356561.

It is an arithmetic number, because the mean of its divisors is an integer number (2515968).

Almost surely, 2^172275246 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 172275246, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (241532928).

172275246 is an abundant number, since it is smaller than the sum of its proper divisors (310790610).

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

172275246 is a wasteful number, since it uses less digits than its factorization.

172275246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207 (or 204 counting only the distinct ones).

The product of its digits is 47040, while the sum is 36.

The square root of 172275246 is about 13125.3665091684. The cubic root of 172275246 is about 556.4262706768.

The spelling of 172275246 in words is "one hundred seventy-two million, two hundred seventy-five thousand, two hundred forty-six".