117872040 has 128 divisors (see below), whose sum is σ = 415497600. Its totient is φ = 26373120.

The previous prime is 117872039. The next prime is 117872059. The reversal of 117872040 is 40278711.

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

It is a junction number, because it is equal to n+sod(n) for n = 117871989 and 117872007.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13726 + ... + 20594.

It is an arithmetic number, because the mean of its divisors is an integer number (3246075).

Almost surely, 2^117872040 is an apocalyptic number.

117872040 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 117872040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207748800).

117872040 is an abundant number, since it is smaller than the sum of its proper divisors (297625560).

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

117872040 is a wasteful number, since it uses less digits than its factorization.

117872040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6907 (or 6903 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 30.

The square root of 117872040 is about 10856.8890571839. The cubic root of 117872040 is about 490.3094532850.

The spelling of 117872040 in words is "one hundred seventeen million, eight hundred seventy-two thousand, forty".