47164727 has 2 divisors, whose sum is σ = 47164728. Its totient is φ = 47164726.

The previous prime is 47164709. The next prime is 47164739. The reversal of 47164727 is 72746174.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47164727 - 2¹⁰ = 47163703 is a prime.

It is a super-2 number, since 2×47164727² = 4449022945969058, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47164757) 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 as a sum of consecutive naturals, namely, 23582363 + 23582364.

It is an arithmetic number, because the mean of its divisors is an integer number (23582364).

Almost surely, 2^47164727 is an apocalyptic number.

47164727 is a deficient number, since it is larger than the sum of its proper divisors (1).

47164727 is an equidigital number, since it uses as much as digits as its factorization.

47164727 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 65856, while the sum is 38.

The square root of 47164727 is about 6867.6580433216. The cubic root of 47164727 is about 361.3037271175.

The spelling of 47164727 in words is "forty-seven million, one hundred sixty-four thousand, seven hundred twenty-seven".