47490473 has 2 divisors, whose sum is σ = 47490474. Its totient is φ = 47490472.

The previous prime is 47490467. The next prime is 47490479. The reversal of 47490473 is 37409474.

It is a happy number.

47490473 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (47490467) and next prime (47490479).

It can be written as a sum of positive squares in only one way, i.e., 42094144 + 5396329 = 6488^2 + 2323^2 .

It is a cyclic number.

It is not a de Polignac number, because 47490473 - 2²⁰ = 46441897 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (47490479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23745236 + 23745237.

It is an arithmetic number, because the mean of its divisors is an integer number (23745237).

Almost surely, 2^47490473 is an apocalyptic number.

It is an amenable number.

47490473 is a deficient number, since it is larger than the sum of its proper divisors (1).

47490473 is an equidigital number, since it uses as much as digits as its factorization.

47490473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 38.

The square root of 47490473 is about 6891.3331801619. Note that the first 3 decimals coincide. The cubic root of 47490473 is about 362.1336080790.

The spelling of 47490473 in words is "forty-seven million, four hundred ninety thousand, four hundred seventy-three".