117240272 has 40 divisors (see below), whose sum is σ = 241372200. Its totient is φ = 55060992.

The previous prime is 117240271. The next prime is 117240283. The reversal of 117240272 is 272042711.

It can be written as a sum of positive squares in 4 ways, for example, as 43349056 + 73891216 = 6584^2 + 8596^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117240271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13754 + ... + 20582.

It is an arithmetic number, because the mean of its divisors is an integer number (6034305).

Almost surely, 2^117240272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117240272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120686100).

117240272 is an abundant number, since it is smaller than the sum of its proper divisors (124131928).

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

117240272 is a wasteful number, since it uses less digits than its factorization.

117240272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6903 (or 6897 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 26.

The square root of 117240272 is about 10827.7547072327. The cubic root of 117240272 is about 489.4319002631.

Adding to 117240272 its reverse (272042711), we get a palindrome (389282983).

The spelling of 117240272 in words is "one hundred seventeen million, two hundred forty thousand, two hundred seventy-two".