117641500 has 48 divisors (see below), whose sum is σ = 263914560. Its totient is φ = 45777600.

The previous prime is 117641477. The next prime is 117641509. The reversal of 117641500 is 5146711.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117641509) 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, 15321 + ... + 21679.

It is an arithmetic number, because the mean of its divisors is an integer number (5498220).

Almost surely, 2^117641500 is an apocalyptic number.

117641500 is a gapful number since it is divisible by the number (10) 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 117641500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131957280).

117641500 is an abundant number, since it is smaller than the sum of its proper divisors (146273060).

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

117641500 is a wasteful number, since it uses less digits than its factorization.

117641500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6415 (or 6403 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 117641500 is about 10846.2666388025. The cubic root of 117641500 is about 489.9895874505.

The spelling of 117641500 in words is "one hundred seventeen million, six hundred forty-one thousand, five hundred".