172066304 has 40 divisors (see below), whose sum is σ = 348024600. Its totient is φ = 84975616.

The previous prime is 172066303. The next prime is 172066313. The reversal of 172066304 is 403660271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172066303) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 40472 + ... + 44520.

It is an arithmetic number, because the mean of its divisors is an integer number (8700615).

Almost surely, 2^172066304 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 172066304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174012300).

172066304 is an abundant number, since it is smaller than the sum of its proper divisors (175958296).

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

172066304 is an frugal number, since it uses more digits than its factorization.

172066304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4150 (or 4134 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 172066304 is about 13117.4046213418. The cubic root of 172066304 is about 556.2012279924.

The spelling of 172066304 in words is "one hundred seventy-two million, sixty-six thousand, three hundred four".