67426243 has 2 divisors, whose sum is σ = 67426244. Its totient is φ = 67426242.

The previous prime is 67426241. The next prime is 67426273. The reversal of 67426243 is 34262476.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 67426243 - 2¹ = 67426241 is a prime.

Together with 67426241, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 67426199 and 67426208.

It is not a weakly prime, because it can be changed into another prime (67426241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33713121 + 33713122.

It is an arithmetic number, because the mean of its divisors is an integer number (33713122).

Almost surely, 2^67426243 is an apocalyptic number.

67426243 is a deficient number, since it is larger than the sum of its proper divisors (1).

67426243 is an equidigital number, since it uses as much as digits as its factorization.

67426243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 34.

The square root of 67426243 is about 8211.3484276336. The cubic root of 67426243 is about 407.0142867364.

The spelling of 67426243 in words is "sixty-seven million, four hundred twenty-six thousand, two hundred forty-three".