117440730 has 96 divisors (see below), whose sum is σ = 335050560. Its totient is φ = 28304640.

The previous prime is 117440711. The next prime is 117440759. The reversal of 117440730 is 37044711.

It is a junction number, because it is equal to n+sod(n) for n = 117440694 and 117440703.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 309681 + ... + 310059.

It is an arithmetic number, because the mean of its divisors is an integer number (3490110).

Almost surely, 2^117440730 is an apocalyptic number.

117440730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 117440730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167525280).

117440730 is an abundant number, since it is smaller than the sum of its proper divisors (217609830).

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

117440730 is a wasteful number, since it uses less digits than its factorization.

117440730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716 (or 713 counting only the distinct ones).

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

The square root of 117440730 is about 10837.0074282525. The cubic root of 117440730 is about 489.7106857993.

The spelling of 117440730 in words is "one hundred seventeen million, four hundred forty thousand, seven hundred thirty".