172317741 has 16 divisors (see below), whose sum is σ = 236740800. Its totient is φ = 111438720.

The previous prime is 172317731. The next prime is 172317749. The reversal of 172317741 is 147713271.

It is not a de Polignac number, because 172317741 - 2⁵ = 172317709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172317749) 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 15 ways as a sum of consecutive naturals, for example, 6910 + ... + 19808.

It is an arithmetic number, because the mean of its divisors is an integer number (14796300).

Almost surely, 2^172317741 is an apocalyptic number.

It is an amenable number.

172317741 is a deficient number, since it is larger than the sum of its proper divisors (64423059).

172317741 is a wasteful number, since it uses less digits than its factorization.

172317741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13036.

The product of its digits is 8232, while the sum is 33.

The square root of 172317741 is about 13126.9852212913. The cubic root of 172317741 is about 556.4720179929.

The spelling of 172317741 in words is "one hundred seventy-two million, three hundred seventeen thousand, seven hundred forty-one".