73004413 has 2 divisors, whose sum is σ = 73004414. Its totient is φ = 73004412.

The previous prime is 73004389. The next prime is 73004429. The reversal of 73004413 is 31440037.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72539289 + 465124 = 8517^2 + 682^2 .

It is a cyclic number.

It is not a de Polignac number, because 73004413 - 2⁵ = 73004381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73004483) 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 as a sum of consecutive naturals, namely, 36502206 + 36502207.

It is an arithmetic number, because the mean of its divisors is an integer number (36502207).

Almost surely, 2^73004413 is an apocalyptic number.

It is an amenable number.

73004413 is a deficient number, since it is larger than the sum of its proper divisors (1).

73004413 is an equidigital number, since it uses as much as digits as its factorization.

73004413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 73004413 is about 8544.2619927060. The cubic root of 73004413 is about 417.9423411232.

The spelling of 73004413 in words is "seventy-three million, four thousand, four hundred thirteen".