193117272 has 16 divisors (see below), whose sum is σ = 482793240. Its totient is φ = 64372416.

The previous prime is 193117271. The next prime is 193117279. The reversal of 193117272 is 272711391.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (193117271) 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, 4023253 + ... + 4023300.

Almost surely, 2^193117272 is an apocalyptic number.

193117272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

193117272 is an abundant number, since it is smaller than the sum of its proper divisors (289675968).

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

193117272 is a wasteful number, since it uses less digits than its factorization.

193117272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8046562 (or 8046558 counting only the distinct ones).

The product of its digits is 5292, while the sum is 33.

The square root of 193117272 is about 13896.6640601261. The cubic root of 193117272 is about 578.0166819497.

The spelling of 193117272 in words is "one hundred ninety-three million, one hundred seventeen thousand, two hundred seventy-two".