172741093 has 4 divisors (see below), whose sum is σ = 197418400. Its totient is φ = 148063788.

The previous prime is 172741069. The next prime is 172741099. The reversal of 172741093 is 390147271.

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, and also an emirpimes, since its reverse is a distinct semiprime: 390147271 = 197 ⋅1980443.

It is a cyclic number.

It is not a de Polignac number, because 172741093 - 2⁵ = 172741061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172741099) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12338643 + ... + 12338656.

It is an arithmetic number, because the mean of its divisors is an integer number (49354600).

Almost surely, 2^172741093 is an apocalyptic number.

It is an amenable number.

172741093 is a deficient number, since it is larger than the sum of its proper divisors (24677307).

172741093 is an equidigital number, since it uses as much as digits as its factorization.

172741093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24677306.

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 172741093 is about 13143.1005854783. The cubic root of 172741093 is about 556.9273606935.

The spelling of 172741093 in words is "one hundred seventy-two million, seven hundred forty-one thousand, ninety-three".