117749830 has 16 divisors (see below), whose sum is σ = 231218064. Its totient is φ = 42818080.

The previous prime is 117749767. The next prime is 117749833. The reversal of 117749830 is 38947711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117749833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 535117 + ... + 535336.

It is an arithmetic number, because the mean of its divisors is an integer number (14451129).

Almost surely, 2^117749830 is an apocalyptic number.

117749830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

117749830 is a deficient number, since it is larger than the sum of its proper divisors (113468234).

117749830 is a wasteful number, since it uses less digits than its factorization.

117749830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070471.

The product of its (nonzero) digits is 42336, while the sum is 40.

The square root of 117749830 is about 10851.2593739160. The cubic root of 117749830 is about 490.1399433688.

It can be divided in two parts, 117 and 749830, that added together give a palindrome (749947).

The spelling of 117749830 in words is "one hundred seventeen million, seven hundred forty-nine thousand, eight hundred thirty".