117706540 has 24 divisors (see below), whose sum is σ = 282496032. Its totient is φ = 40356480.

The previous prime is 117706517. The next prime is 117706541. The reversal of 117706540 is 45607711.

It is not an unprimeable number, because it can be changed into a prime (117706541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 420241 + ... + 420520.

It is an arithmetic number, because the mean of its divisors is an integer number (11770668).

Almost surely, 2^117706540 is an apocalyptic number.

117706540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117706540 is an abundant number, since it is smaller than the sum of its proper divisors (164789492).

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

117706540 is a wasteful number, since it uses less digits than its factorization.

117706540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 840777 (or 840775 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 31.

The square root of 117706540 is about 10849.2644911994. The cubic root of 117706540 is about 490.0798703623.

The spelling of 117706540 in words is "one hundred seventeen million, seven hundred six thousand, five hundred forty".