1304504073 has 6 divisors (see below), whose sum is σ = 1884283674. Its totient is φ = 869669376.

The previous prime is 1304504063. The next prime is 1304504083. The reversal of 1304504073 is 3704054031.

It is an interprime number because it is at equal distance from previous prime (1304504063) and next prime (1304504083).

It can be written as a sum of positive squares in only one way, i.e., 829612809 + 474891264 = 28803^2 + 21792^2 .

It is not a de Polignac number, because 1304504073 - 2⁸ = 1304503817 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1304504023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 72472440 + ... + 72472457.

It is an arithmetic number, because the mean of its divisors is an integer number (314047279).

Almost surely, 2^1304504073 is an apocalyptic number.

It is an amenable number.

1304504073 is a deficient number, since it is larger than the sum of its proper divisors (579779601).

1304504073 is a wasteful number, since it uses less digits than its factorization.

1304504073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144944903 (or 144944900 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 1304504073 is about 36117.9190015150. The cubic root of 1304504073 is about 1092.6518694736.

The spelling of 1304504073 in words is "one billion, three hundred four million, five hundred four thousand, seventy-three".