117740258 has 4 divisors (see below), whose sum is σ = 176610390. Its totient is φ = 58870128.

The previous prime is 117740251. The next prime is 117740281. The reversal of 117740258 is 852047711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 852047711 = 131 ⋅6504181.

It can be written as a sum of positive squares in only one way, i.e., 68277169 + 49463089 = 8263^2 + 7033^2 .

It is not an unprimeable number, because it can be changed into a prime (117740251) 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 as a sum of consecutive naturals, namely, 29435063 + ... + 29435066.

Almost surely, 2^117740258 is an apocalyptic number.

117740258 is a deficient number, since it is larger than the sum of its proper divisors (58870132).

117740258 is an equidigital number, since it uses as much as digits as its factorization.

117740258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58870131.

The product of its (nonzero) digits is 15680, while the sum is 35.

The square root of 117740258 is about 10850.8183101552. The cubic root of 117740258 is about 490.1266616889.

Adding to 117740258 its reverse (852047711), we get a palindrome (969787969).

The spelling of 117740258 in words is "one hundred seventeen million, seven hundred forty thousand, two hundred fifty-eight".