117247536 has 120 divisors (see below), whose sum is σ = 384287904. Its totient is φ = 32670720.

The previous prime is 117247511. The next prime is 117247547. The reversal of 117247536 is 635742711.

It is a happy number.

117247536 is a `hidden beast` number, since 11 + 72 + 47 + 536 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 117247536.

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, 39910 + ... + 42746.

Almost surely, 2^117247536 is an apocalyptic number.

117247536 is a gapful number since it is divisible by the number (16) 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 117247536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192143952).

117247536 is an abundant number, since it is smaller than the sum of its proper divisors (267040368).

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

117247536 is a wasteful number, since it uses less digits than its factorization.

117247536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2899 (or 2890 counting only the distinct ones).

The product of its digits is 35280, while the sum is 36.

The square root of 117247536 is about 10828.0901363075. The cubic root of 117247536 is about 489.4420081661.

The spelling of 117247536 in words is "one hundred seventeen million, two hundred forty-seven thousand, five hundred thirty-six".