117432072 has 64 divisors (see below), whose sum is σ = 329313600. Its totient is φ = 38770560.

The previous prime is 117432071. The next prime is 117432101. The reversal of 117432072 is 270234711.

It is a happy number.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (117432071) 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, 20572 + ... + 25652.

It is an arithmetic number, because the mean of its divisors is an integer number (5145525).

Almost surely, 2^117432072 is an apocalyptic number.

117432072 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 117432072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164656800).

117432072 is an abundant number, since it is smaller than the sum of its proper divisors (211881528).

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

117432072 is a wasteful number, since it uses less digits than its factorization.

117432072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5203 (or 5193 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 117432072 is about 10836.6079563672. The cubic root of 117432072 is about 489.6986513052.

Adding to 117432072 its reverse (270234711), we get a palindrome (387666783).

The spelling of 117432072 in words is "one hundred seventeen million, four hundred thirty-two thousand, seventy-two".