73716361 has 2 divisors, whose sum is σ = 73716362. Its totient is φ = 73716360.

The previous prime is 73716359. The next prime is 73716421. The reversal of 73716361 is 16361737.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73205136 + 511225 = 8556^2 + 715^2 .

It is a cyclic number.

It is not a de Polignac number, because 73716361 - 2¹ = 73716359 is a prime.

Together with 73716359, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (73716161) 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, 36858180 + 36858181.

It is an arithmetic number, because the mean of its divisors is an integer number (36858181).

Almost surely, 2^73716361 is an apocalyptic number.

It is an amenable number.

73716361 is a deficient number, since it is larger than the sum of its proper divisors (1).

73716361 is an equidigital number, since it uses as much as digits as its factorization.

73716361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15876, while the sum is 34.

The square root of 73716361 is about 8585.8232569743. The cubic root of 73716361 is about 419.2965568015.

The spelling of 73716361 in words is "seventy-three million, seven hundred sixteen thousand, three hundred sixty-one".