117273305 has 4 divisors (see below), whose sum is σ = 140727972. Its totient is φ = 93818640.

The previous prime is 117273283. The next prime is 117273337. The reversal of 117273305 is 503372711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 503372711 = 1097 ⋅458863.

It can be written as a sum of positive squares in 2 ways, for example, as 52374169 + 64899136 = 7237^2 + 8056^2 .

It is not a de Polignac number, because 117273305 - 2²⁴ = 100496089 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11727326 + ... + 11727335.

It is an arithmetic number, because the mean of its divisors is an integer number (35181993).

Almost surely, 2^117273305 is an apocalyptic number.

It is an amenable number.

117273305 is a deficient number, since it is larger than the sum of its proper divisors (23454667).

117273305 is an equidigital number, since it uses as much as digits as its factorization.

117273305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23454666.

The product of its (nonzero) digits is 4410, while the sum is 29.

The square root of 117273305 is about 10829.2799852991. The cubic root of 117273305 is about 489.4778625293.

The spelling of 117273305 in words is "one hundred seventeen million, two hundred seventy-three thousand, three hundred five".