117493 has 4 divisors (see below), whose sum is σ = 118188. Its totient is φ = 116800.

The previous prime is 117443. The next prime is 117497. The reversal of 117493 is 394711.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 394711 = 73 ⋅5407.

It can be written as a sum of positive squares in 2 ways, for example, as 114244 + 3249 = 338^2 + 57^2 .

It is a cyclic number.

It is not a de Polignac number, because 117493 - 2⁹ = 116981 is a prime.

It is a super-3 number, since 3×117493³ = 4865833383066471, which contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117497) 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 3 ways as a sum of consecutive naturals, for example, 93 + ... + 493.

It is an arithmetic number, because the mean of its divisors is an integer number (29547).

2¹¹⁷⁴⁹³ is an apocalyptic number.

It is an amenable number.

117493 is a deficient number, since it is larger than the sum of its proper divisors (695).

117493 is an equidigital number, since it uses as much as digits as its factorization.

117493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694.

The product of its digits is 756, while the sum is 25.

The square root of 117493 is about 342.7725193186. The cubic root of 117493 is about 48.9783327778.

The spelling of 117493 in words is "one hundred seventeen thousand, four hundred ninety-three".