47045317 has 8 divisors (see below), whose sum is σ = 51611040. Its totient is φ = 42527760.

The previous prime is 47045309. The next prime is 47045347. The reversal of 47045317 is 71354074.

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

It is not a de Polignac number, because 47045317 - 2³ = 47045309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47045347) 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, 9978 + ... + 13915.

It is an arithmetic number, because the mean of its divisors is an integer number (6451380).

Almost surely, 2^47045317 is an apocalyptic number.

It is an amenable number.

47045317 is a deficient number, since it is larger than the sum of its proper divisors (4565723).

47045317 is a wasteful number, since it uses less digits than its factorization.

47045317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24083.

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 47045317 is about 6858.9588860118. The cubic root of 47045317 is about 360.9985574025.

The spelling of 47045317 in words is "forty-seven million, forty-five thousand, three hundred seventeen".