117545472 has 160 divisors (see below), whose sum is σ = 380064960. Its totient is φ = 35573760.

The previous prime is 117545413. The next prime is 117545501. The reversal of 117545472 is 274545711.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151678 + ... + 152450.

It is an arithmetic number, because the mean of its divisors is an integer number (2375406).

Almost surely, 2^117545472 is an apocalyptic number.

117545472 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 117545472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190032480).

117545472 is an abundant number, since it is smaller than the sum of its proper divisors (262519488).

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

117545472 is an equidigital number, since it uses as much as digits as its factorization.

117545472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811 (or 789 counting only the distinct ones).

The product of its digits is 39200, while the sum is 36.

The square root of 117545472 is about 10841.8389584055. The cubic root of 117545472 is about 489.8562288183.

The spelling of 117545472 in words is "one hundred seventeen million, five hundred forty-five thousand, four hundred seventy-two".