117430272 has 144 divisors (see below), whose sum is σ = 355183920. Its totient is φ = 37306368.

The previous prime is 117430259. The next prime is 117430277. The reversal of 117430272 is 272034711.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117430277) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 423798 + ... + 424074.

It is an arithmetic number, because the mean of its divisors is an integer number (2466555).

Almost surely, 2^117430272 is an apocalyptic number.

117430272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117430272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177591960).

117430272 is an abundant number, since it is smaller than the sum of its proper divisors (237753648).

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

117430272 is a wasteful number, since it uses less digits than its factorization.

117430272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328 (or 305 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 117430272 is about 10836.5249042301. The cubic root of 117430272 is about 489.6961492571.

Adding to 117430272 its reverse (272034711), we get a palindrome (389464983).

The spelling of 117430272 in words is "one hundred seventeen million, four hundred thirty thousand, two hundred seventy-two".