117703920 has 120 divisors (see below), whose sum is σ = 387836784. Its totient is φ = 29523968.

The previous prime is 117703913. The next prime is 117703921. The reversal of 117703920 is 29307711.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117703921) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68512 + ... + 70208.

Almost surely, 2^117703920 is an apocalyptic number.

117703920 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 117703920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193918392).

117703920 is an abundant number, since it is smaller than the sum of its proper divisors (270132864).

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

117703920 is a wasteful number, since it uses less digits than its factorization.

117703920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1747 (or 1724 counting only the distinct ones).

The product of its (nonzero) digits is 2646, while the sum is 30.

The square root of 117703920 is about 10849.1437450151. The cubic root of 117703920 is about 490.0762341475.

The spelling of 117703920 in words is "one hundred seventeen million, seven hundred three thousand, nine hundred twenty".