117791474 has 4 divisors (see below), whose sum is σ = 176687214. Its totient is φ = 58895736.

The previous prime is 117791467. The next prime is 117791489. The reversal of 117791474 is 474197711.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 89775625 + 28015849 = 9475^2 + 5293^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29447867 + ... + 29447870.

Almost surely, 2^117791474 is an apocalyptic number.

117791474 is a deficient number, since it is larger than the sum of its proper divisors (58895740).

117791474 is an equidigital number, since it uses as much as digits as its factorization.

117791474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58895739.

The product of its digits is 49392, while the sum is 41.

The square root of 117791474 is about 10853.1780599048. The cubic root of 117791474 is about 490.1977183482.

The spelling of 117791474 in words is "one hundred seventeen million, seven hundred ninety-one thousand, four hundred seventy-four".