67489243 has 2 divisors, whose sum is σ = 67489244. Its totient is φ = 67489242.

The previous prime is 67489237. The next prime is 67489267. The reversal of 67489243 is 34298476.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 67489243 - 2⁵ = 67489211 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 67489243.

It is not a weakly prime, because it can be changed into another prime (67489223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33744621 + 33744622.

It is an arithmetic number, because the mean of its divisors is an integer number (33744622).

Almost surely, 2^67489243 is an apocalyptic number.

67489243 is a deficient number, since it is larger than the sum of its proper divisors (1).

67489243 is an equidigital number, since it uses as much as digits as its factorization.

67489243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 43.

The square root of 67489243 is about 8215.1836863213. The cubic root of 67489243 is about 407.1410124585.

The spelling of 67489243 in words is "sixty-seven million, four hundred eighty-nine thousand, two hundred forty-three".