47745227 has 2 divisors, whose sum is σ = 47745228. Its totient is φ = 47745226.

The previous prime is 47745221. The next prime is 47745259. The reversal of 47745227 is 72254774.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47745227 - 2²⁰ = 46696651 is a prime.

It is not a weakly prime, because it can be changed into another prime (47745221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23872613 + 23872614.

It is an arithmetic number, because the mean of its divisors is an integer number (23872614).

Almost surely, 2^47745227 is an apocalyptic number.

47745227 is a deficient number, since it is larger than the sum of its proper divisors (1).

47745227 is an equidigital number, since it uses as much as digits as its factorization.

47745227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 109760, while the sum is 38.

The square root of 47745227 is about 6909.7921097527. The cubic root of 47745227 is about 362.7799869387.

It can be divided in two parts, 4774 and 5227, that added together give a palindrome (10001).

The spelling of 47745227 in words is "forty-seven million, seven hundred forty-five thousand, two hundred twenty-seven".