117949480 has 64 divisors (see below), whose sum is σ = 293906880. Its totient is φ = 42240000.

The previous prime is 117949477. The next prime is 117949483. The reversal of 117949480 is 84949711.

It is an interprime number because it is at equal distance from previous prime (117949477) and next prime (117949483).

It is not an unprimeable number, because it can be changed into a prime (117949483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27480 + ... + 31480.

It is an arithmetic number, because the mean of its divisors is an integer number (4592295).

Almost surely, 2^117949480 is an apocalyptic number.

117949480 is a gapful number since it is divisible by the number (10) 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 117949480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146953440).

117949480 is an abundant number, since it is smaller than the sum of its proper divisors (175957400).

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

117949480 is a wasteful number, since it uses less digits than its factorization.

117949480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4090 (or 4086 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 43.

The square root of 117949480 is about 10860.4548707685. The cubic root of 117949480 is about 490.4168048729.

The spelling of 117949480 in words is "one hundred seventeen million, nine hundred forty-nine thousand, four hundred eighty".