117374257 has 32 divisors (see below), whose sum is σ = 160876800. Its totient is φ = 84389760.

The previous prime is 117374251. The next prime is 117374261. The reversal of 117374257 is 752473711.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-117374257 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117374251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47853 + ... + 50245.

It is an arithmetic number, because the mean of its divisors is an integer number (5027400).

Almost surely, 2^117374257 is an apocalyptic number.

It is an amenable number.

117374257 is a deficient number, since it is larger than the sum of its proper divisors (43502543).

117374257 is a wasteful number, since it uses less digits than its factorization.

117374257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2438 (or 2424 counting only the distinct ones).

The product of its digits is 41160, while the sum is 37.

The square root of 117374257 is about 10833.9400496772. The cubic root of 117374257 is about 489.6182741290.

The spelling of 117374257 in words is "one hundred seventeen million, three hundred seventy-four thousand, two hundred fifty-seven".