117784432 has 40 divisors (see below), whose sum is σ = 243171936. Its totient is φ = 55074816.

The previous prime is 117784421. The next prime is 117784463. The reversal of 117784432 is 234487711.

It is a junction number, because it is equal to n+sod(n) for n = 117784391 and 117784400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44128 + ... + 46720.

Almost surely, 2^117784432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117784432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121585968).

117784432 is an abundant number, since it is smaller than the sum of its proper divisors (125387504).

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

117784432 is a wasteful number, since it uses less digits than its factorization.

117784432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2785 (or 2779 counting only the distinct ones).

The product of its digits is 37632, while the sum is 37.

The square root of 117784432 is about 10852.8536339527. The cubic root of 117784432 is about 490.1879495565.

The spelling of 117784432 in words is "one hundred seventeen million, seven hundred eighty-four thousand, four hundred thirty-two".