172095804 has 72 divisors (see below), whose sum is σ = 449729280. Its totient is φ = 55454112.

The previous prime is 172095727. The next prime is 172095839. The reversal of 172095804 is 408590271.

172095804 is a `hidden beast` number, since 1 + 72 + 0 + 9 + 580 + 4 = 666.

172095804 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 165117 + ... + 166155.

It is an arithmetic number, because the mean of its divisors is an integer number (6246240).

Almost surely, 2^172095804 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 172095804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224864640).

172095804 is an abundant number, since it is smaller than the sum of its proper divisors (277633476).

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

172095804 is a wasteful number, since it uses less digits than its factorization.

172095804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1199 (or 1194 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 172095804 is about 13118.5290333939. The cubic root of 172095804 is about 556.2330122490.

The spelling of 172095804 in words is "one hundred seventy-two million, ninety-five thousand, eight hundred four".