172250064 has 120 divisors (see below), whose sum is σ = 571421760. Its totient is φ = 49206528.

The previous prime is 172250017. The next prime is 172250077. The reversal of 172250064 is 460052271.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 24052 + ... + 30380.

It is an arithmetic number, because the mean of its divisors is an integer number (4761848).

Almost surely, 2^172250064 is an apocalyptic number.

172250064 is a gapful number since it is divisible by the number (14) 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 172250064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (285710880).

172250064 is an abundant number, since it is smaller than the sum of its proper divisors (399171696).

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

172250064 is an equidigital number, since it uses as much as digits as its factorization.

172250064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6359 (or 6341 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 172250064 is about 13124.4071866123. The cubic root of 172250064 is about 556.3991578453.

The spelling of 172250064 in words is "one hundred seventy-two million, two hundred fifty thousand, sixty-four".