117570 has 16 divisors (see below), whose sum is σ = 282240. Its totient is φ = 31344.

The previous prime is 117563. The next prime is 117571. The reversal of 117570 is 75711.

It is a cake number, because a cake can be divided into 117570 parts by 89 planar cuts.

It is not an unprimeable number, because it can be changed into a prime (117571) by changing a digit.

117570 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1930 + ... + 1989.

It is an arithmetic number, because the mean of its divisors is an integer number (17640).

2¹¹⁷⁵⁷⁰ is an apocalyptic number.

117570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

117570 is an abundant number, since it is smaller than the sum of its proper divisors (164670).

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

117570 is a wasteful number, since it uses less digits than its factorization.

117570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3929.

The product of its (nonzero) digits is 245, while the sum is 21.

The square root of 117570 is about 342.8848203114. The cubic root of 117570 is about 48.9890298918.

It can be divided in two parts, 1 and 17570, that added together give a palindrome (17571).

The spelling of 117570 in words is "one hundred seventeen thousand, five hundred seventy".