67330493 has 2 divisors, whose sum is σ = 67330494. Its totient is φ = 67330492.

The previous prime is 67330477. The next prime is 67330537. The reversal of 67330493 is 39403376.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65885689 + 1444804 = 8117^2 + 1202^2 .

It is a cyclic number.

It is not a de Polignac number, because 67330493 - 2⁴ = 67330477 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67330423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33665246 + 33665247.

It is an arithmetic number, because the mean of its divisors is an integer number (33665247).

Almost surely, 2^67330493 is an apocalyptic number.

It is an amenable number.

67330493 is a deficient number, since it is larger than the sum of its proper divisors (1).

67330493 is an equidigital number, since it uses as much as digits as its factorization.

67330493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 35.

The square root of 67330493 is about 8205.5160105870. The cubic root of 67330493 is about 406.8215325096.

The spelling of 67330493 in words is "sixty-seven million, three hundred thirty thousand, four hundred ninety-three".