117732240 has 60 divisors (see below), whose sum is σ = 395386524. Its totient is φ = 31395072.

The previous prime is 117732217. The next prime is 117732247. The reversal of 117732240 is 42237711.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 69956496 + 47775744 = 8364^2 + 6912^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is not an unprimeable number, because it can be changed into a prime (117732247) 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 11 ways as a sum of consecutive naturals, for example, 81039 + ... + 82478.

Almost surely, 2^117732240 is an apocalyptic number.

117732240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117732240 is an abundant number, since it is smaller than the sum of its proper divisors (277654284).

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

117732240 is a wasteful number, since it uses less digits than its factorization.

117732240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163536 (or 163527 counting only the distinct ones).

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

The square root of 117732240 is about 10850.4488386426. The cubic root of 117732240 is about 490.1155357159.

Adding to 117732240 its reverse (42237711), we get a palindrome (159969951).

The spelling of 117732240 in words is "one hundred seventeen million, seven hundred thirty-two thousand, two hundred forty".