172275488 has 96 divisors (see below), whose sum is σ = 426746880. Its totient is φ = 66504960.

The previous prime is 172275473. The next prime is 172275491. The reversal of 172275488 is 884572271.

It is a Harshad number since it is a multiple of its sum of digits (44).

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 15 ways as a sum of consecutive naturals, for example, 342245 + ... + 342747.

It is an arithmetic number, because the mean of its divisors is an integer number (4445280).

Almost surely, 2^172275488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 172275488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213373440).

172275488 is an abundant number, since it is smaller than the sum of its proper divisors (254471392).

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

172275488 is a wasteful number, since it uses less digits than its factorization.

172275488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670 (or 662 counting only the distinct ones).

The product of its digits is 250880, while the sum is 44.

The square root of 172275488 is about 13125.3757279554. The cubic root of 172275488 is about 556.4265312193.

The spelling of 172275488 in words is "one hundred seventy-two million, two hundred seventy-five thousand, four hundred eighty-eight".