117149730 has 32 divisors (see below), whose sum is σ = 282896064. Its totient is φ = 31046976.

The previous prime is 117149729. The next prime is 117149797. The reversal of 117149730 is 37941711.

It is a junction number, because it is equal to n+sod(n) for n = 117149691 and 117149700.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7089 + ... + 16868.

It is an arithmetic number, because the mean of its divisors is an integer number (8840502).

Almost surely, 2^117149730 is an apocalyptic number.

117149730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

117149730 is an abundant number, since it is smaller than the sum of its proper divisors (165746334).

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

117149730 is a wasteful number, since it uses less digits than its factorization.

117149730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24130.

The product of its (nonzero) digits is 5292, while the sum is 33.

The square root of 117149730 is about 10823.5728851429. The cubic root of 117149730 is about 489.3058754343.

The spelling of 117149730 in words is "one hundred seventeen million, one hundred forty-nine thousand, seven hundred thirty".