117406872 has 96 divisors (see below), whose sum is σ = 353555280. Its totient is φ = 34894080.

The previous prime is 117406859. The next prime is 117406907. The reversal of 117406872 is 278604711.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40578 + ... + 43374.

Almost surely, 2^117406872 is an apocalyptic number.

117406872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117406872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176777640).

117406872 is an abundant number, since it is smaller than the sum of its proper divisors (236148408).

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

117406872 is a wasteful number, since it uses less digits than its factorization.

117406872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2873 (or 2866 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 36.

The square root of 117406872 is about 10835.4451685198. The cubic root of 117406872 is about 489.6636203049.

The spelling of 117406872 in words is "one hundred seventeen million, four hundred six thousand, eight hundred seventy-two".