67397093 has 2 divisors, whose sum is σ = 67397094. Its totient is φ = 67397092.

The previous prime is 67397089. The next prime is 67397149. The reversal of 67397093 is 39079376.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46758244 + 20638849 = 6838^2 + 4543^2 .

It is a cyclic number.

It is not a de Polignac number, because 67397093 - 2² = 67397089 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67397023) 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, 33698546 + 33698547.

It is an arithmetic number, because the mean of its divisors is an integer number (33698547).

Almost surely, 2^67397093 is an apocalyptic number.

It is an amenable number.

67397093 is a deficient number, since it is larger than the sum of its proper divisors (1).

67397093 is an equidigital number, since it uses as much as digits as its factorization.

67397093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 214326, while the sum is 44.

The square root of 67397093 is about 8209.5732532209. The cubic root of 67397093 is about 406.9556242329.

The spelling of 67397093 in words is "sixty-seven million, three hundred ninety-seven thousand, ninety-three".