904065473 has 2 divisors, whose sum is σ = 904065474. Its totient is φ = 904065472.

The previous prime is 904065451. The next prime is 904065499. The reversal of 904065473 is 374560409.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 720815104 + 183250369 = 26848^2 + 13537^2 .

It is a cyclic number.

It is not a de Polignac number, because 904065473 - 2²² = 899871169 is a prime.

It is not a weakly prime, because it can be changed into another prime (904065433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 452032736 + 452032737.

It is an arithmetic number, because the mean of its divisors is an integer number (452032737).

Almost surely, 2^904065473 is an apocalyptic number.

It is an amenable number.

904065473 is a deficient number, since it is larger than the sum of its proper divisors (1).

904065473 is an equidigital number, since it uses as much as digits as its factorization.

904065473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 904065473 is about 30067.6815368262. The cubic root of 904065473 is about 966.9409681470.

The spelling of 904065473 in words is "nine hundred four million, sixty-five thousand, four hundred seventy-three".