117172874 has 32 divisors (see below), whose sum is σ = 229049856. Its totient is φ = 43626240.

The previous prime is 117172873. The next prime is 117172889. The reversal of 117172874 is 478271711.

It is not an unprimeable number, because it can be changed into a prime (117172871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15842 + ... + 22029.

It is an arithmetic number, because the mean of its divisors is an integer number (7157808).

Almost surely, 2^117172874 is an apocalyptic number.

117172874 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

117172874 is a deficient number, since it is larger than the sum of its proper divisors (111876982).

117172874 is a wasteful number, since it uses less digits than its factorization.

117172874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37910.

The product of its digits is 21952, while the sum is 38.

The square root of 117172874 is about 10824.6419802227. The cubic root of 117172874 is about 489.3380955954.

The spelling of 117172874 in words is "one hundred seventeen million, one hundred seventy-two thousand, eight hundred seventy-four".