47272047 has 8 divisors (see below), whose sum is σ = 63127680. Its totient is φ = 31465560.

The previous prime is 47272021. The next prime is 47272079. The reversal of 47272047 is 74027274.

47272047 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 47272047 - 2¹⁵ = 47239279 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47271999 and 47272017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47272847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9979 + ... + 13932.

It is an arithmetic number, because the mean of its divisors is an integer number (7890960).

Almost surely, 2^47272047 is an apocalyptic number.

47272047 is a deficient number, since it is larger than the sum of its proper divisors (15855633).

47272047 is a wasteful number, since it uses less digits than its factorization.

47272047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24573.

The product of its (nonzero) digits is 21952, while the sum is 33.

The square root of 47272047 is about 6875.4670386818. The cubic root of 47272047 is about 361.5775598846.

The spelling of 47272047 in words is "forty-seven million, two hundred seventy-two thousand, forty-seven".