67685093 has 4 divisors (see below), whose sum is σ = 77354400. Its totient is φ = 58015788.

The previous prime is 67685069. The next prime is 67685117. The reversal of 67685093 is 39058676.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (67685069) and next prime (67685117).

It is a cyclic number.

It is not a de Polignac number, because 67685093 - 2¹⁰ = 67684069 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67681093) 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 in 3 ways as a sum of consecutive naturals, for example, 4834643 + ... + 4834656.

It is an arithmetic number, because the mean of its divisors is an integer number (19338600).

Almost surely, 2^67685093 is an apocalyptic number.

It is an amenable number.

67685093 is a deficient number, since it is larger than the sum of its proper divisors (9669307).

67685093 is an equidigital number, since it uses as much as digits as its factorization.

67685093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9669306.

The product of its (nonzero) digits is 272160, while the sum is 44.

The square root of 67685093 is about 8227.0950523256. The cubic root of 67685093 is about 407.5344655757.

The spelling of 67685093 in words is "sixty-seven million, six hundred eighty-five thousand, ninety-three".