904432073 has 4 divisors (see below), whose sum is σ = 913386948. Its totient is φ = 895477200.

The previous prime is 904432049. The next prime is 904432097. The reversal of 904432073 is 370234409.

904432073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 370234409 = 193 ⋅1918313.

It is an interprime number because it is at equal distance from previous prime (904432049) and next prime (904432097).

It can be written as a sum of positive squares in 2 ways, for example, as 620408464 + 284023609 = 24908^2 + 16853^2 .

It is a cyclic number.

It is not a de Polignac number, because 904432073 - 2⁸ = 904431817 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (904432003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4477286 + ... + 4477487.

It is an arithmetic number, because the mean of its divisors is an integer number (228346737).

Almost surely, 2^904432073 is an apocalyptic number.

It is an amenable number.

904432073 is a deficient number, since it is larger than the sum of its proper divisors (8954875).

904432073 is a wasteful number, since it uses less digits than its factorization.

904432073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8954874.

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 904432073 is about 30073.7771654975. Note that the first 3 decimals coincide. The cubic root of 904432073 is about 967.0716491896.

The spelling of 904432073 in words is "nine hundred four million, four hundred thirty-two thousand, seventy-three".