47412147 has 8 divisors (see below), whose sum is σ = 63248080. Its totient is φ = 31592160.

The previous prime is 47412139. The next prime is 47412161. The reversal of 47412147 is 74121474.

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

It is not a de Polignac number, because 47412147 - 2³ = 47412139 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47412107) 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, 8997 + ... + 13257.

It is an arithmetic number, because the mean of its divisors is an integer number (7906010).

Almost surely, 2^47412147 is an apocalyptic number.

47412147 is a deficient number, since it is larger than the sum of its proper divisors (15835933).

47412147 is a wasteful number, since it uses less digits than its factorization.

47412147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7973.

The product of its digits is 6272, while the sum is 30.

The square root of 47412147 is about 6885.6478997985. The cubic root of 47412147 is about 361.9344096339.

It can be divided in two parts, 474 and 12147, that added together give a palindrome (12621).

The spelling of 47412147 in words is "forty-seven million, four hundred twelve thousand, one hundred forty-seven".