67818741 has 8 divisors (see below), whose sum is σ = 90752544. Its totient is φ = 45048720.

The previous prime is 67818739. The next prime is 67818749. The reversal of 67818741 is 14781876.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 67818741 - 2¹ = 67818739 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 67818693 and 67818702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67818749) 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 7 ways as a sum of consecutive naturals, for example, 39975 + ... + 41636.

It is an arithmetic number, because the mean of its divisors is an integer number (11344068).

Almost surely, 2^67818741 is an apocalyptic number.

It is an amenable number.

67818741 is a deficient number, since it is larger than the sum of its proper divisors (22933803).

67818741 is a wasteful number, since it uses less digits than its factorization.

67818741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81891.

The product of its digits is 75264, while the sum is 42.

The square root of 67818741 is about 8235.2134762858. The cubic root of 67818741 is about 407.8025224170.

The spelling of 67818741 in words is "sixty-seven million, eight hundred eighteen thousand, seven hundred forty-one".