73075313 has 2 divisors, whose sum is σ = 73075314. Its totient is φ = 73075312.

The previous prime is 73075291. The next prime is 73075363. The reversal of 73075313 is 31357037.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70694464 + 2380849 = 8408^2 + 1543^2 .

It is a cyclic number.

It is not a de Polignac number, because 73075313 - 2²⁰ = 72026737 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (73075363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36537656 + 36537657.

It is an arithmetic number, because the mean of its divisors is an integer number (36537657).

Almost surely, 2^73075313 is an apocalyptic number.

It is an amenable number.

73075313 is a deficient number, since it is larger than the sum of its proper divisors (1).

73075313 is an equidigital number, since it uses as much as digits as its factorization.

73075313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6615, while the sum is 29.

The square root of 73075313 is about 8548.4099691112. The cubic root of 73075313 is about 418.0775956158.

The spelling of 73075313 in words is "seventy-three million, seventy-five thousand, three hundred thirteen".