117473280 has 128 divisors (see below), whose sum is σ = 377481600. Its totient is φ = 31195136.

The previous prime is 117473269. The next prime is 117473297. The reversal of 117473280 is 82374711.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 491401 + ... + 491639.

It is an arithmetic number, because the mean of its divisors is an integer number (2949075).

Almost surely, 2^117473280 is an apocalyptic number.

117473280 is a gapful number since it is divisible by the number (10) 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 117473280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188740800).

117473280 is an abundant number, since it is smaller than the sum of its proper divisors (260008320).

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

117473280 is an frugal number, since it uses more digits than its factorization.

117473280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277 (or 249 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 117473280 is about 10838.5091225685. The cubic root of 117473280 is about 489.7559245349.

The spelling of 117473280 in words is "one hundred seventeen million, four hundred seventy-three thousand, two hundred eighty".