117845073 has 12 divisors (see below), whose sum is σ = 170322048. Its totient is φ = 78516600.

The previous prime is 117845059. The next prime is 117845093. The reversal of 117845073 is 370548711.

It is not a de Polignac number, because 117845073 - 2⁵ = 117845041 is a prime.

It is a super-2 number, since 2×117845073² = 27774922460750658, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (117845033) 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 in 11 ways as a sum of consecutive naturals, for example, 19348 + ... + 24698.

It is an arithmetic number, because the mean of its divisors is an integer number (14193504).

Almost surely, 2^117845073 is an apocalyptic number.

It is an amenable number.

117845073 is a deficient number, since it is larger than the sum of its proper divisors (52476975).

117845073 is a wasteful number, since it uses less digits than its factorization.

117845073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7804 (or 7801 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 36.

The square root of 117845073 is about 10855.6470557954. The cubic root of 117845073 is about 490.2720591089.

The spelling of 117845073 in words is "one hundred seventeen million, eight hundred forty-five thousand, seventy-three".