67244713 has 2 divisors, whose sum is σ = 67244714. Its totient is φ = 67244712.

The previous prime is 67244711. The next prime is 67244747. The reversal of 67244713 is 31744276.

It is an a-pointer prime, because the next prime (67244747) can be obtained adding 67244713 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65092624 + 2152089 = 8068^2 + 1467^2 .

It is a cyclic number.

It is not a de Polignac number, because 67244713 - 2¹ = 67244711 is a prime.

Together with 67244711, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (67244711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33622356 + 33622357.

It is an arithmetic number, because the mean of its divisors is an integer number (33622357).

Almost surely, 2^67244713 is an apocalyptic number.

It is an amenable number.

67244713 is a deficient number, since it is larger than the sum of its proper divisors (1).

67244713 is an equidigital number, since it uses as much as digits as its factorization.

67244713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28224, while the sum is 34.

The square root of 67244713 is about 8200.2873730132. The cubic root of 67244713 is about 406.6486936277.

Adding to 67244713 its reverse (31744276), we get a palindrome (98988989).

The spelling of 67244713 in words is "sixty-seven million, two hundred forty-four thousand, seven hundred thirteen".