117573 has 4 divisors (see below), whose sum is σ = 156768. Its totient is φ = 78380.

The previous prime is 117571. The next prime is 117577. The reversal of 117573 is 375711.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 117573 - 2¹ = 117571 is a prime.

It is a D-number.

It is a nialpdrome in base 7.

It is a congruent number.

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19593 + ... + 19598.

It is an arithmetic number, because the mean of its divisors is an integer number (39192).

2¹¹⁷⁵⁷³ is an apocalyptic number.

It is an amenable number.

117573 is a deficient number, since it is larger than the sum of its proper divisors (39195).

117573 is an equidigital number, since it uses as much as digits as its factorization.

117573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39194.

The product of its digits is 735, while the sum is 24.

The square root of 117573 is about 342.8891949304. The cubic root of 117573 is about 48.9894465680.

The spelling of 117573 in words is "one hundred seventeen thousand, five hundred seventy-three".