117389472 has 48 divisors (see below), whose sum is σ = 311224032. Its totient is φ = 38739200.

The previous prime is 117389449. The next prime is 117389491. The reversal of 117389472 is 274983711.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3643 + ... + 15749.

It is an arithmetic number, because the mean of its divisors is an integer number (6483834).

Almost surely, 2^117389472 is an apocalyptic number.

117389472 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 117389472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155612016).

117389472 is an abundant number, since it is smaller than the sum of its proper divisors (193834560).

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

117389472 is a wasteful number, since it uses less digits than its factorization.

117389472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12221 (or 12213 counting only the distinct ones).

The product of its digits is 84672, while the sum is 42.

The square root of 117389472 is about 10834.6422183660. The cubic root of 117389472 is about 489.6394293078.

The spelling of 117389472 in words is "one hundred seventeen million, three hundred eighty-nine thousand, four hundred seventy-two".