172693193 has 4 divisors (see below), whose sum is σ = 172743120. Its totient is φ = 172643268.

The previous prime is 172693159. The next prime is 172693217. The reversal of 172693193 is 391396271.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 172693193 - 2¹⁶ = 172627657 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 172693193.

It is not an unprimeable number, because it can be changed into a prime (172693153) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 19355 + ... + 26832.

It is an arithmetic number, because the mean of its divisors is an integer number (43185780).

Almost surely, 2^172693193 is an apocalyptic number.

It is an amenable number.

172693193 is a deficient number, since it is larger than the sum of its proper divisors (49927).

172693193 is an equidigital number, since it uses as much as digits as its factorization.

172693193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49926.

The product of its digits is 61236, while the sum is 41.

The square root of 172693193 is about 13141.2782102808. The cubic root of 172693193 is about 556.8758784699.

The spelling of 172693193 in words is "one hundred seventy-two million, six hundred ninety-three thousand, one hundred ninety-three".