117428472 has 96 divisors (see below), whose sum is σ = 366113280. Its totient is φ = 33307200.

The previous prime is 117428471. The next prime is 117428497. The reversal of 117428472 is 274824711.

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117428471) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75333 + ... + 76875.

It is an arithmetic number, because the mean of its divisors is an integer number (3813680).

Almost surely, 2^117428472 is an apocalyptic number.

117428472 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 117428472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183056640).

117428472 is an abundant number, since it is smaller than the sum of its proper divisors (248684808).

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

117428472 is a wasteful number, since it uses less digits than its factorization.

117428472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1713 (or 1706 counting only the distinct ones).

The product of its digits is 25088, while the sum is 36.

The square root of 117428472 is about 10836.4418514566. The cubic root of 117428472 is about 489.6936471835.

It can be divided in two parts, 1174 and 28472, that added together give a triangular number (29646 = T₂₄₃).

The spelling of 117428472 in words is "one hundred seventeen million, four hundred twenty-eight thousand, four hundred seventy-two".