117047345 has 16 divisors (see below), whose sum is σ = 146886912. Its totient is φ = 89369280.

The previous prime is 117047341. The next prime is 117047369. The reversal of 117047345 is 543740711.

It is not a de Polignac number, because 117047345 - 2² = 117047341 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117047341) 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 15 ways as a sum of consecutive naturals, for example, 71759 + ... + 73371.

It is an arithmetic number, because the mean of its divisors is an integer number (9180432).

Almost surely, 2^117047345 is an apocalyptic number.

It is an amenable number.

117047345 is a deficient number, since it is larger than the sum of its proper divisors (29839567).

117047345 is a wasteful number, since it uses less digits than its factorization.

117047345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2272.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 117047345 is about 10818.8421284350. The cubic root of 117047345 is about 489.1632881554.

The spelling of 117047345 in words is "one hundred seventeen million, forty-seven thousand, three hundred forty-five".