117066540 has 48 divisors (see below), whose sum is σ = 338365440. Its totient is φ = 30210240.

The previous prime is 117066529. The next prime is 117066541. The reversal of 117066540 is 45660711.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 117066498 and 117066507.

It is not an unprimeable number, because it can be changed into a prime (117066541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29610 + ... + 33329.

It is an arithmetic number, because the mean of its divisors is an integer number (7049280).

Almost surely, 2^117066540 is an apocalyptic number.

117066540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117066540 is an abundant number, since it is smaller than the sum of its proper divisors (221298900).

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

117066540 is a wasteful number, since it uses less digits than its factorization.

117066540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62982 (or 62980 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 117066540 is about 10819.7292017869. The cubic root of 117066540 is about 489.1900265551.

The spelling of 117066540 in words is "one hundred seventeen million, sixty-six thousand, five hundred forty".