67730041 has 4 divisors (see below), whose sum is σ = 71294800. Its totient is φ = 64165284.

The previous prime is 67730027. The next prime is 67730063. The reversal of 67730041 is 14003776.

67730041 = T₁₅₁₃ + T₁₅₁₄ + ... + T₁₅₆₉.

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 67730041 - 2⁷ = 67729913 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 67729991 and 67730009.

It is not an unprimeable number, because it can be changed into a prime (67730011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1782351 + ... + 1782388.

It is an arithmetic number, because the mean of its divisors is an integer number (17823700).

Almost surely, 2^67730041 is an apocalyptic number.

It is an amenable number.

67730041 is a deficient number, since it is larger than the sum of its proper divisors (3564759).

67730041 is a wasteful number, since it uses less digits than its factorization.

67730041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3564758.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 67730041 is about 8229.8263043639. The cubic root of 67730041 is about 407.6246568080.

The spelling of 67730041 in words is "sixty-seven million, seven hundred thirty thousand, forty-one".