73216349 has 2 divisors, whose sum is σ = 73216350. Its totient is φ = 73216348.

The previous prime is 73216333. The next prime is 73216379. The reversal of 73216349 is 94361237.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71284249 + 1932100 = 8443^2 + 1390^2 .

It is a cyclic number.

It is not a de Polignac number, because 73216349 - 2⁴ = 73216333 is a prime.

It is a Chen prime.

It is a plaindrome in base 13.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73216309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36608174 + 36608175.

It is an arithmetic number, because the mean of its divisors is an integer number (36608175).

Almost surely, 2^73216349 is an apocalyptic number.

It is an amenable number.

73216349 is a deficient number, since it is larger than the sum of its proper divisors (1).

73216349 is an equidigital number, since it uses as much as digits as its factorization.

73216349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 35.

The square root of 73216349 is about 8556.6552460643. The cubic root of 73216349 is about 418.3463872514.

The spelling of 73216349 in words is "seventy-three million, two hundred sixteen thousand, three hundred forty-nine".