47538473 has 2 divisors, whose sum is σ = 47538474. Its totient is φ = 47538472.

The previous prime is 47538433. The next prime is 47538503. The reversal of 47538473 is 37483574.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47499664 + 38809 = 6892^2 + 197^2 .

It is a cyclic number.

It is not a de Polignac number, because 47538473 - 2¹⁶ = 47472937 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47538473.

It is not a weakly prime, because it can be changed into another prime (47538433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23769236 + 23769237.

It is an arithmetic number, because the mean of its divisors is an integer number (23769237).

Almost surely, 2^47538473 is an apocalyptic number.

It is an amenable number.

47538473 is a deficient number, since it is larger than the sum of its proper divisors (1).

47538473 is an equidigital number, since it uses as much as digits as its factorization.

47538473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 282240, while the sum is 41.

The square root of 47538473 is about 6894.8149358775. The cubic root of 47538473 is about 362.2555733145.

The spelling of 47538473 in words is "forty-seven million, five hundred thirty-eight thousand, four hundred seventy-three".