47130247 has 8 divisors (see below), whose sum is σ = 48032640. Its totient is φ = 46232160.

The previous prime is 47130229. The next prime is 47130257. The reversal of 47130247 is 74203174.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47130247 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 (47130227) 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, 28413 + ... + 30025.

It is an arithmetic number, because the mean of its divisors is an integer number (6004080).

Almost surely, 2^47130247 is an apocalyptic number.

47130247 is a deficient number, since it is larger than the sum of its proper divisors (902393).

47130247 is a wasteful number, since it uses less digits than its factorization.

47130247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2153.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 47130247 is about 6865.1472671750. The cubic root of 47130247 is about 361.2156613793.

The spelling of 47130247 in words is "forty-seven million, one hundred thirty thousand, two hundred forty-seven".