117240740 has 24 divisors (see below), whose sum is σ = 249325440. Its totient is φ = 46302048.

The previous prime is 117240731. The next prime is 117240751. The reversal of 117240740 is 47042711.

It is a super-2 number, since 2×117240740² = 27490782231495200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35522 + ... + 38681.

It is an arithmetic number, because the mean of its divisors is an integer number (10388560).

Almost surely, 2^117240740 is an apocalyptic number.

117240740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117240740 is an abundant number, since it is smaller than the sum of its proper divisors (132084700).

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

117240740 is a wasteful number, since it uses less digits than its factorization.

117240740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74291 (or 74289 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 26.

The square root of 117240740 is about 10827.7763183398. The cubic root of 117240740 is about 489.4325515007.

The spelling of 117240740 in words is "one hundred seventeen million, two hundred forty thousand, seven hundred forty".