47223727 has 2 divisors, whose sum is σ = 47223728. Its totient is φ = 47223726.

The previous prime is 47223713. The next prime is 47223731. The reversal of 47223727 is 72732274.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47223727 - 2⁷ = 47223599 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47223692 and 47223701.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47223707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23611863 + 23611864.

It is an arithmetic number, because the mean of its divisors is an integer number (23611864).

Almost surely, 2^47223727 is an apocalyptic number.

47223727 is a deficient number, since it is larger than the sum of its proper divisors (1).

47223727 is an equidigital number, since it uses as much as digits as its factorization.

47223727 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32928, while the sum is 34.

The square root of 47223727 is about 6871.9521971562. The cubic root of 47223727 is about 361.4543201471.

The spelling of 47223727 in words is "forty-seven million, two hundred twenty-three thousand, seven hundred twenty-seven".