47344771 has 2 divisors, whose sum is σ = 47344772. Its totient is φ = 47344770.

The previous prime is 47344769. The next prime is 47344799. The reversal of 47344771 is 17744374.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47344771 - 2¹ = 47344769 is a prime.

Together with 47344769, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 47344771.

It is not a weakly prime, because it can be changed into another prime (47341771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23672385 + 23672386.

It is an arithmetic number, because the mean of its divisors is an integer number (23672386).

Almost surely, 2^47344771 is an apocalyptic number.

47344771 is a deficient number, since it is larger than the sum of its proper divisors (1).

47344771 is an equidigital number, since it uses as much as digits as its factorization.

47344771 is an evil number, because the sum of its binary digits is even.

The product of its digits is 65856, while the sum is 37.

The square root of 47344771 is about 6880.7536651155. The cubic root of 47344771 is about 361.7628835960.

The spelling of 47344771 in words is "forty-seven million, three hundred forty-four thousand, seven hundred seventy-one".