117493530 has 128 divisors (see below), whose sum is σ = 370206720. Its totient is φ = 23120640.

The previous prime is 117493517. The next prime is 117493531. The reversal of 117493530 is 35394711.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 117493491 and 117493500.

It is not an unprimeable number, because it can be changed into a prime (117493531) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 42552 + ... + 45228.

It is an arithmetic number, because the mean of its divisors is an integer number (2892240).

Almost surely, 2^117493530 is an apocalyptic number.

117493530 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 117493530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185103360).

117493530 is an abundant number, since it is smaller than the sum of its proper divisors (252713190).

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

117493530 is a wasteful number, since it uses less digits than its factorization.

117493530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2724.

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 117493530 is about 10839.4432513852. The cubic root of 117493530 is about 489.7840642323.

The spelling of 117493530 in words is "one hundred seventeen million, four hundred ninety-three thousand, five hundred thirty".