172894080 has 128 divisors (see below), whose sum is σ = 583627680. Its totient is φ = 43384832.

The previous prime is 172894031. The next prime is 172894093. The reversal of 172894080 is 80498271.

It is a tau number, because it is divible by the number of its divisors (128).

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 15 ways as a sum of consecutive naturals, for example, 29992 + ... + 35288.

Almost surely, 2^172894080 is an apocalyptic number.

172894080 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 172894080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (291813840).

172894080 is an abundant number, since it is smaller than the sum of its proper divisors (410733600).

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

172894080 is a wasteful number, since it uses less digits than its factorization.

172894080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5336 (or 5324 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 39.

The square root of 172894080 is about 13148.9193472315. The cubic root of 172894080 is about 557.0917251845.

The spelling of 172894080 in words is "one hundred seventy-two million, eight hundred ninety-four thousand, eighty".