73681367 has 2 divisors, whose sum is σ = 73681368. Its totient is φ = 73681366.

The previous prime is 73681303. The next prime is 73681369. The reversal of 73681367 is 76318637.

It is a strong prime.

It is an emirp because it is prime and its reverse (76318637) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73681367 - 2⁶ = 73681303 is a prime.

Together with 73681369, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73681369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36840683 + 36840684.

It is an arithmetic number, because the mean of its divisors is an integer number (36840684).

Almost surely, 2^73681367 is an apocalyptic number.

73681367 is a deficient number, since it is larger than the sum of its proper divisors (1).

73681367 is an equidigital number, since it uses as much as digits as its factorization.

73681367 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 127008, while the sum is 41.

The square root of 73681367 is about 8583.7851207961. The cubic root of 73681367 is about 419.2301980090.

The spelling of 73681367 in words is "seventy-three million, six hundred eighty-one thousand, three hundred sixty-seven".