117613745 has 4 divisors (see below), whose sum is σ = 141136500. Its totient is φ = 94090992.

The previous prime is 117613733. The next prime is 117613751. The reversal of 117613745 is 547316711.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 68277169 + 49336576 = 8263^2 + 7024^2 .

It is a cyclic number.

It is not a de Polignac number, because 117613745 - 2⁶ = 117613681 is a prime.

It is an unprimeable number.

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, 11761370 + ... + 11761379.

It is an arithmetic number, because the mean of its divisors is an integer number (35284125).

Almost surely, 2^117613745 is an apocalyptic number.

It is an amenable number.

117613745 is a deficient number, since it is larger than the sum of its proper divisors (23522755).

117613745 is an equidigital number, since it uses as much as digits as its factorization.

117613745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23522754.

The product of its digits is 17640, while the sum is 35.

The square root of 117613745 is about 10844.9870908176. The cubic root of 117613745 is about 489.9510502261.

The spelling of 117613745 in words is "one hundred seventeen million, six hundred thirteen thousand, seven hundred forty-five".