904073 has 2 divisors, whose sum is σ = 904074. Its totient is φ = 904072.

The previous prime is 904069. The next prime is 904087. The reversal of 904073 is 370409.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 559504 + 344569 = 748^2 + 587^2 .

It is a cyclic number.

It is not a de Polignac number, because 904073 - 2² = 904069 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (904093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 452036 + 452037.

It is an arithmetic number, because the mean of its divisors is an integer number (452037).

2⁹⁰⁴⁰⁷³ is an apocalyptic number.

It is an amenable number.

904073 is a deficient number, since it is larger than the sum of its proper divisors (1).

904073 is an equidigital number, since it uses as much as digits as its factorization.

904073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 904073 is about 950.8275343089. The cubic root of 904073 is about 96.6943651634.

The spelling of 904073 in words is "nine hundred four thousand, seventy-three".