117687040 has 36 divisors (see below), whose sum is σ = 281900304. Its totient is φ = 47074304.

The previous prime is 117687019. The next prime is 117687049. The reversal of 117687040 is 40786711.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 117686987 and 117687005.

It is not an unprimeable number, because it can be changed into a prime (117687049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44692 + ... + 47251.

It is an arithmetic number, because the mean of its divisors is an integer number (7830564).

Almost surely, 2^117687040 is an apocalyptic number.

117687040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117687040 is an abundant number, since it is smaller than the sum of its proper divisors (164213264).

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

117687040 is an frugal number, since it uses more digits than its factorization.

117687040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91964 (or 91950 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 34.

The square root of 117687040 is about 10848.3657755443. The cubic root of 117687040 is about 490.0528056377.

The spelling of 117687040 in words is "one hundred seventeen million, six hundred eighty-seven thousand, forty".