117287306 has 16 divisors (see below), whose sum is σ = 180540360. Its totient is φ = 57112320.

The previous prime is 117287297. The next prime is 117287311. The reversal of 117287306 is 603782711.

It can be written as a sum of positive squares in 4 ways, for example, as 99301225 + 17986081 = 9965^2 + 4241^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69440 + ... + 71108.

Almost surely, 2^117287306 is an apocalyptic number.

117287306 is a deficient number, since it is larger than the sum of its proper divisors (63253054).

117287306 is a wasteful number, since it uses less digits than its factorization.

117287306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2569.

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 117287306 is about 10829.9264078755. The cubic root of 117287306 is about 489.4973409799.

The spelling of 117287306 in words is "one hundred seventeen million, two hundred eighty-seven thousand, three hundred six".