47240173 has 2 divisors, whose sum is σ = 47240174. Its totient is φ = 47240172.

The previous prime is 47240131. The next prime is 47240177. The reversal of 47240173 is 37104274.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35964009 + 11276164 = 5997^2 + 3358^2 .

It is a cyclic number.

It is not a de Polignac number, because 47240173 - 2²⁵ = 13685741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47240177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23620086 + 23620087.

It is an arithmetic number, because the mean of its divisors is an integer number (23620087).

Almost surely, 2^47240173 is an apocalyptic number.

It is an amenable number.

47240173 is a deficient number, since it is larger than the sum of its proper divisors (1).

47240173 is an equidigital number, since it uses as much as digits as its factorization.

47240173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 47240173 is about 6873.1486961945. The cubic root of 47240173 is about 361.4962749594.

The spelling of 47240173 in words is "forty-seven million, two hundred forty thousand, one hundred seventy-three".