67365713 has 4 divisors (see below), whose sum is σ = 71328420. Its totient is φ = 63403008.

The previous prime is 67365709. The next prime is 67365719. The reversal of 67365713 is 31756376.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 35916049 + 31449664 = 5993^2 + 5608^2 .

It is a cyclic number.

It is not a de Polignac number, because 67365713 - 2² = 67365709 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67365719) 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, 1981328 + ... + 1981361.

It is an arithmetic number, because the mean of its divisors is an integer number (17832105).

Almost surely, 2^67365713 is an apocalyptic number.

It is an amenable number.

67365713 is a deficient number, since it is larger than the sum of its proper divisors (3962707).

67365713 is a wasteful number, since it uses less digits than its factorization.

67365713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3962706.

The product of its digits is 79380, while the sum is 38.

The square root of 67365713 is about 8207.6618473229. The cubic root of 67365713 is about 406.8924550893.

The spelling of 67365713 in words is "sixty-seven million, three hundred sixty-five thousand, seven hundred thirteen".