473537947 has 2 divisors, whose sum is σ = 473537948. Its totient is φ = 473537946.

The previous prime is 473537917. The next prime is 473537959. The reversal of 473537947 is 749735374.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 473537947 - 2⁷ = 473537819 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 473537947.

It is not a weakly prime, because it can be changed into another prime (473537917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236768973 + 236768974.

It is an arithmetic number, because the mean of its divisors is an integer number (236768974).

Almost surely, 2^473537947 is an apocalyptic number.

473537947 is a deficient number, since it is larger than the sum of its proper divisors (1).

473537947 is an equidigital number, since it uses as much as digits as its factorization.

473537947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2222640, while the sum is 49.

The square root of 473537947 is about 21760.9270712440. The cubic root of 473537947 is about 779.4440191999. Note that the first 3 decimals are identical.

The spelling of 473537947 in words is "four hundred seventy-three million, five hundred thirty-seven thousand, nine hundred forty-seven".