67243713 has 4 divisors (see below), whose sum is σ = 89658288. Its totient is φ = 44829140.

The previous prime is 67243711. The next prime is 67243727. The reversal of 67243713 is 31734276.

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 67243713 - 2¹ = 67243711 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (67243711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11207283 + ... + 11207288.

It is an arithmetic number, because the mean of its divisors is an integer number (22414572).

Almost surely, 2^67243713 is an apocalyptic number.

It is an amenable number.

67243713 is a deficient number, since it is larger than the sum of its proper divisors (22414575).

67243713 is a wasteful number, since it uses less digits than its factorization.

67243713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22414574.

The product of its digits is 21168, while the sum is 33.

The square root of 67243713 is about 8200.2263993136. The cubic root of 67243713 is about 406.6466778524.

Adding to 67243713 its reverse (31734276), we get a palindrome (98977989).

The spelling of 67243713 in words is "sixty-seven million, two hundred forty-three thousand, seven hundred thirteen".