117340290 has 96 divisors (see below), whose sum is σ = 325368576. Its totient is φ = 29237760.

The previous prime is 117340243. The next prime is 117340291. The reversal of 117340290 is 92043711.

117340290 is a `hidden beast` number, since 1 + 173 + 402 + 90 = 666.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (117340291) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 414489 + ... + 414771.

It is an arithmetic number, because the mean of its divisors is an integer number (3389256).

Almost surely, 2^117340290 is an apocalyptic number.

117340290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 117340290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162684288).

117340290 is an abundant number, since it is smaller than the sum of its proper divisors (208028286).

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

117340290 is a wasteful number, since it uses less digits than its factorization.

117340290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584 (or 581 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 117340290 is about 10832.3723163488. The cubic root of 117340290 is about 489.5710392728.

The spelling of 117340290 in words is "one hundred seventeen million, three hundred forty thousand, two hundred ninety".