67713713 has 4 divisors (see below), whose sum is σ = 67732080. Its totient is φ = 67695348.

The previous prime is 67713707. The next prime is 67713791. The reversal of 67713713 is 31731776.

It is a happy number.

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 67713713 - 2²² = 63519409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67713013) 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, 1523 + ... + 11736.

It is an arithmetic number, because the mean of its divisors is an integer number (16933020).

Almost surely, 2^67713713 is an apocalyptic number.

It is an amenable number.

67713713 is a deficient number, since it is larger than the sum of its proper divisors (18367).

67713713 is a wasteful number, since it uses less digits than its factorization.

67713713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18366.

The product of its digits is 18522, while the sum is 35.

The square root of 67713713 is about 8228.8342430748. The cubic root of 67713713 is about 407.5918981768.

The spelling of 67713713 in words is "sixty-seven million, seven hundred thirteen thousand, seven hundred thirteen".