474720173 has 2 divisors, whose sum is σ = 474720174. Its totient is φ = 474720172.

The previous prime is 474720151. The next prime is 474720193. The reversal of 474720173 is 371027474.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 326416489 + 148303684 = 18067^2 + 12178^2 .

It is a cyclic number.

It is not a de Polignac number, because 474720173 - 2¹⁸ = 474458029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (474720133) 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, 237360086 + 237360087.

It is an arithmetic number, because the mean of its divisors is an integer number (237360087).

Almost surely, 2^474720173 is an apocalyptic number.

It is an amenable number.

474720173 is a deficient number, since it is larger than the sum of its proper divisors (1).

474720173 is an equidigital number, since it uses as much as digits as its factorization.

474720173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32928, while the sum is 35.

The square root of 474720173 is about 21788.0741002962. The cubic root of 474720173 is about 780.0921286095.

The spelling of 474720173 in words is "four hundred seventy-four million, seven hundred twenty thousand, one hundred seventy-three".