117788072 has 32 divisors (see below), whose sum is σ = 228333600. Its totient is φ = 56932800.

The previous prime is 117788071. The next prime is 117788081. The reversal of 117788072 is 270887711.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (117788071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26747 + ... + 30837.

It is an arithmetic number, because the mean of its divisors is an integer number (7135425).

Almost surely, 2^117788072 is an apocalyptic number.

It is an amenable number.

117788072 is a deficient number, since it is larger than the sum of its proper divisors (110545528).

117788072 is a wasteful number, since it uses less digits than its factorization.

117788072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4217 (or 4213 counting only the distinct ones).

The product of its (nonzero) digits is 43904, while the sum is 41.

The square root of 117788072 is about 10853.0213304867. The cubic root of 117788072 is about 490.1929990800.

The spelling of 117788072 in words is "one hundred seventeen million, seven hundred eighty-eight thousand, seventy-two".