67340717 has 4 divisors (see below), whose sum is σ = 67364640. Its totient is φ = 67316796.

The previous prime is 67340683. The next prime is 67340719. The reversal of 67340717 is 71704376.

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 a cyclic number.

It is not a de Polignac number, because 67340717 - 2¹⁴ = 67324333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67340719) 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, 7073 + ... + 13590.

It is an arithmetic number, because the mean of its divisors is an integer number (16841160).

Almost surely, 2^67340717 is an apocalyptic number.

It is an amenable number.

67340717 is a deficient number, since it is larger than the sum of its proper divisors (23923).

67340717 is a wasteful number, since it uses less digits than its factorization.

67340717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23922.

The product of its (nonzero) digits is 24696, while the sum is 35.

The square root of 67340717 is about 8206.1389824935. The cubic root of 67340717 is about 406.8421231447.

The spelling of 67340717 in words is "sixty-seven million, three hundred forty thousand, seven hundred seventeen".