67068642 has 16 divisors (see below), whose sum is σ = 137763072. Its totient is φ = 21751920.

The previous prime is 67068637. The next prime is 67068643. The reversal of 67068642 is 24686076.

It is a self number, because there is not a number n which added to its sum of digits gives 67068642.

It is not an unprimeable number, because it can be changed into a prime (67068643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150834 + ... + 151277.

It is an arithmetic number, because the mean of its divisors is an integer number (8610192).

Almost surely, 2^67068642 is an apocalyptic number.

67068642 is an abundant number, since it is smaller than the sum of its proper divisors (70694430).

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

67068642 is a wasteful number, since it uses less digits than its factorization.

67068642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302153.

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 67068642 is about 8189.5446759878. The cubic root of 67068642 is about 406.2934655821.

The spelling of 67068642 in words is "sixty-seven million, sixty-eight thousand, six hundred forty-two".