67240141 has 2 divisors, whose sum is σ = 67240142. Its totient is φ = 67240140.

The previous prime is 67240133. The next prime is 67240163. The reversal of 67240141 is 14104276.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41332041 + 25908100 = 6429^2 + 5090^2 .

It is a cyclic number.

It is not a de Polignac number, because 67240141 - 2³ = 67240133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67240111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33620070 + 33620071.

It is an arithmetic number, because the mean of its divisors is an integer number (33620071).

Almost surely, 2^67240141 is an apocalyptic number.

It is an amenable number.

67240141 is a deficient number, since it is larger than the sum of its proper divisors (1).

67240141 is an equidigital number, since it uses as much as digits as its factorization.

67240141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 67240141 is about 8200.0085975565. The cubic root of 67240141 is about 406.6394773395.

The spelling of 67240141 in words is "sixty-seven million, two hundred forty thousand, one hundred forty-one".