117049530 has 64 divisors (see below), whose sum is σ = 315705600. Its totient is φ = 27557376.

The previous prime is 117049523. The next prime is 117049531. The reversal of 117049530 is 35940711.

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

It is not an unprimeable number, because it can be changed into a prime (117049531) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2446 + ... + 15494.

It is an arithmetic number, because the mean of its divisors is an integer number (4932900).

Almost surely, 2^117049530 is an apocalyptic number.

117049530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 117049530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157852800).

117049530 is an abundant number, since it is smaller than the sum of its proper divisors (198656070).

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

117049530 is a wasteful number, since it uses less digits than its factorization.

117049530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13095.

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 117049530 is about 10818.9431091951. The cubic root of 117049530 is about 489.1663319810.

The spelling of 117049530 in words is "one hundred seventeen million, forty-nine thousand, five hundred thirty".