47219773 has 2 divisors, whose sum is σ = 47219774. Its totient is φ = 47219772.

The previous prime is 47219747. The next prime is 47219797. The reversal of 47219773 is 37791274.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31561924 + 15657849 = 5618^2 + 3957^2 .

It is a cyclic number.

It is not a de Polignac number, because 47219773 - 2⁹ = 47219261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47219723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23609886 + 23609887.

It is an arithmetic number, because the mean of its divisors is an integer number (23609887).

Almost surely, 2^47219773 is an apocalyptic number.

It is an amenable number.

47219773 is a deficient number, since it is larger than the sum of its proper divisors (1).

47219773 is an equidigital number, since it uses as much as digits as its factorization.

47219773 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 74088, while the sum is 40.

The square root of 47219773 is about 6871.6644999592. The cubic root of 47219773 is about 361.4442317843. Note that the first 3 decimals are identical.

The spelling of 47219773 in words is "forty-seven million, two hundred nineteen thousand, seven hundred seventy-three".