67008493 has 2 divisors, whose sum is σ = 67008494. Its totient is φ = 67008492.

The previous prime is 67008467. The next prime is 67008503. The reversal of 67008493 is 39480076.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49519369 + 17489124 = 7037^2 + 4182^2 .

It is a cyclic number.

It is not a de Polignac number, because 67008493 - 2²⁵ = 33454061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67008433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33504246 + 33504247.

It is an arithmetic number, because the mean of its divisors is an integer number (33504247).

Almost surely, 2^67008493 is an apocalyptic number.

It is an amenable number.

67008493 is a deficient number, since it is larger than the sum of its proper divisors (1).

67008493 is an equidigital number, since it uses as much as digits as its factorization.

67008493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 67008493 is about 8185.8715479783. The cubic root of 67008493 is about 406.1719708757.

The spelling of 67008493 in words is "sixty-seven million, eight thousand, four hundred ninety-three".