117447 has 8 divisors (see below), whose sum is σ = 170880. Its totient is φ = 71160.

The previous prime is 117443. The next prime is 117497. The reversal of 117447 is 744711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 117447 - 2² = 117443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1747 + ... + 1812.

It is an arithmetic number, because the mean of its divisors is an integer number (21360).

2¹¹⁷⁴⁴⁷ is an apocalyptic number.

117447 is a deficient number, since it is larger than the sum of its proper divisors (53433).

117447 is a wasteful number, since it uses less digits than its factorization.

117447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3573.

The product of its digits is 784, while the sum is 24.

The square root of 117447 is about 342.7054128548. The cubic root of 117447 is about 48.9719400639.

Subtracting 117447 from its reverse (744711), we obtain a square (627264 = 792²).

It can be divided in two parts, 1174 and 47, that added together give a palindrome (1221).

The spelling of 117447 in words is "one hundred seventeen thousand, four hundred forty-seven", and thus it is an iban number.