47312147 has 8 divisors (see below), whose sum is σ = 49959360. Its totient is φ = 44680680.

The previous prime is 47312129. The next prime is 47312189. The reversal of 47312147 is 74121374.

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-47312147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47312197) 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, 2528 + ... + 10050.

It is an arithmetic number, because the mean of its divisors is an integer number (6244920).

Almost surely, 2^47312147 is an apocalyptic number.

47312147 is a deficient number, since it is larger than the sum of its proper divisors (2647213).

47312147 is a wasteful number, since it uses less digits than its factorization.

47312147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7873.

The product of its digits is 4704, while the sum is 29.

The square root of 47312147 is about 6878.3825860445. The cubic root of 47312147 is about 361.6797708330.

The spelling of 47312147 in words is "forty-seven million, three hundred twelve thousand, one hundred forty-seven".