904247073 has 6 divisors (see below), whose sum is σ = 1306134674. Its totient is φ = 602831376.

The previous prime is 904247059. The next prime is 904247083. The reversal of 904247073 is 370742409.

It can be written as a sum of positive squares in only one way, i.e., 794563344 + 109683729 = 28188^2 + 10473^2 .

It is not a de Polignac number, because 904247073 - 2¹⁷ = 904116001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (904247023) 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 in 5 ways as a sum of consecutive naturals, for example, 50235940 + ... + 50235957.

Almost surely, 2^904247073 is an apocalyptic number.

It is an amenable number.

904247073 is a deficient number, since it is larger than the sum of its proper divisors (401887601).

904247073 is a wasteful number, since it uses less digits than its factorization.

904247073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100471903 (or 100471900 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 904247073 is about 30070.7012389136. The cubic root of 904247073 is about 967.0057070880.

The spelling of 904247073 in words is "nine hundred four million, two hundred forty-seven thousand, seventy-three".