47830647 has 16 divisors (see below), whose sum is σ = 64800000. Its totient is φ = 31377984.

The previous prime is 47830633. The next prime is 47830661. The reversal of 47830647 is 74603874.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (47830633) and next prime (47830661).

It is not a de Polignac number, because 47830647 - 2⁶ = 47830583 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47830667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95604 + ... + 96102.

It is an arithmetic number, because the mean of its divisors is an integer number (4050000).

Almost surely, 2^47830647 is an apocalyptic number.

47830647 is a deficient number, since it is larger than the sum of its proper divisors (16969353).

47830647 is a wasteful number, since it uses less digits than its factorization.

47830647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 950.

The product of its (nonzero) digits is 112896, while the sum is 39.

The square root of 47830647 is about 6915.9704308217. The cubic root of 47830647 is about 362.9962054411.

It can be divided in two parts, 478 and 30647, that added together give a triangular number (31125 = T₂₄₉).

The spelling of 47830647 in words is "forty-seven million, eight hundred thirty thousand, six hundred forty-seven".