47892147 has 8 divisors (see below), whose sum is σ = 64159680. Its totient is φ = 31776360.

The previous prime is 47892083. The next prime is 47892151. The reversal of 47892147 is 74129874.

It is a happy number.

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

It is not a de Polignac number, because 47892147 - 2⁶ = 47892083 is a prime.

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

It is a junction number, because it is equal to n+sod(n) for n = 47892099 and 47892108.

It is not an unprimeable number, because it can be changed into a prime (47892167) 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, 37197 + ... + 38462.

It is an arithmetic number, because the mean of its divisors is an integer number (8019960).

Almost surely, 2^47892147 is an apocalyptic number.

47892147 is a deficient number, since it is larger than the sum of its proper divisors (16267533).

47892147 is a wasteful number, since it uses less digits than its factorization.

47892147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75873.

The product of its digits is 112896, while the sum is 42.

The square root of 47892147 is about 6920.4152332067. The cubic root of 47892147 is about 363.1517173481.

The spelling of 47892147 in words is "forty-seven million, eight hundred ninety-two thousand, one hundred forty-seven".