67141247 has 2 divisors, whose sum is σ = 67141248. Its totient is φ = 67141246.

The previous prime is 67141237. The next prime is 67141253. The reversal of 67141247 is 74214176.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 67141247 - 2⁶ = 67141183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67141237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33570623 + 33570624.

It is an arithmetic number, because the mean of its divisors is an integer number (33570624).

Almost surely, 2^67141247 is an apocalyptic number.

67141247 is a deficient number, since it is larger than the sum of its proper divisors (1).

67141247 is an equidigital number, since it uses as much as digits as its factorization.

67141247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9408, while the sum is 32.

The square root of 67141247 is about 8193.9762630850. The cubic root of 67141247 is about 406.4400233867.

The spelling of 67141247 in words is "sixty-seven million, one hundred forty-one thousand, two hundred forty-seven".