73404313 has 2 divisors, whose sum is σ = 73404314. Its totient is φ = 73404312.

The previous prime is 73404301. The next prime is 73404323. The reversal of 73404313 is 31340437.

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., 65092624 + 8311689 = 8068^2 + 2883^2 .

It is a cyclic number.

It is not a de Polignac number, because 73404313 - 2⁵ = 73404281 is a prime.

It is not a weakly prime, because it can be changed into another prime (73404323) 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, 36702156 + 36702157.

It is an arithmetic number, because the mean of its divisors is an integer number (36702157).

Almost surely, 2^73404313 is an apocalyptic number.

It is an amenable number.

73404313 is a deficient number, since it is larger than the sum of its proper divisors (1).

73404313 is an equidigital number, since it uses as much as digits as its factorization.

73404313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 25.

The square root of 73404313 is about 8567.6317031021. The cubic root of 73404313 is about 418.7040799724.

The spelling of 73404313 in words is "seventy-three million, four hundred four thousand, three hundred thirteen".