67806042 has 8 divisors (see below), whose sum is σ = 135612096. Its totient is φ = 22602012.

The previous prime is 67805987. The next prime is 67806043. The reversal of 67806042 is 24060876.

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

67806042 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 67805994 and 67806012.

It is not an unprimeable number, because it can be changed into a prime (67806043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5650498 + ... + 5650509.

It is an arithmetic number, because the mean of its divisors is an integer number (16951512).

Almost surely, 2^67806042 is an apocalyptic number.

67806042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

67806042 is a wasteful number, since it uses less digits than its factorization.

67806042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11301012.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 67806042 is about 8234.4424219251. The cubic root of 67806042 is about 407.7770672728. Note that the first 3 decimals are identical.

The spelling of 67806042 in words is "sixty-seven million, eight hundred six thousand, forty-two".