172095705 has 32 divisors (see below), whose sum is σ = 307681920. Its totient is φ = 91264320.

The previous prime is 172095659. The next prime is 172095713. The reversal of 172095705 is 507590271.

172095705 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 172095705 - 2⁷ = 172095577 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 172095705.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20914 + ... + 27956.

It is an arithmetic number, because the mean of its divisors is an integer number (9615060).

Almost surely, 2^172095705 is an apocalyptic number.

172095705 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

172095705 is a deficient number, since it is larger than the sum of its proper divisors (135586215).

172095705 is a wasteful number, since it uses less digits than its factorization.

172095705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7238 (or 7232 counting only the distinct ones).

The product of its (nonzero) digits is 22050, while the sum is 36.

The square root of 172095705 is about 13118.5252601045. The cubic root of 172095705 is about 556.2329055892.

The spelling of 172095705 in words is "one hundred seventy-two million, ninety-five thousand, seven hundred five".