67081241 has 4 divisors (see below), whose sum is σ = 69245184. Its totient is φ = 64917300.

The previous prime is 67081237. The next prime is 67081243. The reversal of 67081241 is 14218076.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 67081241 - 2² = 67081237 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67081243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1081925 + ... + 1081986.

It is an arithmetic number, because the mean of its divisors is an integer number (17311296).

Almost surely, 2^67081241 is an apocalyptic number.

It is an amenable number.

67081241 is a deficient number, since it is larger than the sum of its proper divisors (2163943).

67081241 is a wasteful number, since it uses less digits than its factorization.

67081241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2163942.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 67081241 is about 8190.3138523502. The cubic root of 67081241 is about 406.3189050459.

The spelling of 67081241 in words is "sixty-seven million, eighty-one thousand, two hundred forty-one".