172884480 has 80 divisors (see below), whose sum is σ = 552714624. Its totient is φ = 46100480.

The previous prime is 172884451. The next prime is 172884493. The reversal of 172884480 is 84488271.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3576 + ... + 18935.

Almost surely, 2^172884480 is an apocalyptic number.

172884480 is a gapful number since it is divisible by the number (10) 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 172884480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (276357312).

172884480 is an abundant number, since it is smaller than the sum of its proper divisors (379830144).

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

172884480 is an equidigital number, since it uses as much as digits as its factorization.

172884480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22537 (or 22521 counting only the distinct ones).

The product of its (nonzero) digits is 114688, while the sum is 42.

The square root of 172884480 is about 13148.5542931533. The cubic root of 172884480 is about 557.0814140939.

The spelling of 172884480 in words is "one hundred seventy-two million, eight hundred eighty-four thousand, four hundred eighty".