47889073 has 2 divisors, whose sum is σ = 47889074. Its totient is φ = 47889072.

The previous prime is 47889067. The next prime is 47889077. The reversal of 47889073 is 37098874.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35378704 + 12510369 = 5948^2 + 3537^2 .

It is a cyclic number.

It is not a de Polignac number, because 47889073 - 2¹³ = 47880881 is a prime.

It is not a weakly prime, because it can be changed into another prime (47889077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23944536 + 23944537.

It is an arithmetic number, because the mean of its divisors is an integer number (23944537).

Almost surely, 2^47889073 is an apocalyptic number.

It is an amenable number.

47889073 is a deficient number, since it is larger than the sum of its proper divisors (1).

47889073 is an equidigital number, since it uses as much as digits as its factorization.

47889073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 338688, while the sum is 46.

The square root of 47889073 is about 6920.1931331430. The cubic root of 47889073 is about 363.1439474434.

It can be divided in two parts, 4788 and 9073, that added together give a triangular number (13861 = T₁₆₆).

The spelling of 47889073 in words is "forty-seven million, eight hundred eighty-nine thousand, seventy-three".