172864076 has 48 divisors (see below), whose sum is σ = 380889600. Its totient is φ = 66683520.

The previous prime is 172864061. The next prime is 172864093. The reversal of 172864076 is 670468271.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 29000 + ... + 34448.

It is an arithmetic number, because the mean of its divisors is an integer number (7935200).

Almost surely, 2^172864076 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 172864076, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190444800).

172864076 is an abundant number, since it is smaller than the sum of its proper divisors (208025524).

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

172864076 is a wasteful number, since it uses less digits than its factorization.

172864076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5574 (or 5572 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 41.

The square root of 172864076 is about 13147.7783674657. The cubic root of 172864076 is about 557.0594974623.

The spelling of 172864076 in words is "one hundred seventy-two million, eight hundred sixty-four thousand, seventy-six".