67138594 has 16 divisors (see below), whose sum is σ = 102456576. Its totient is φ = 32989600.

The previous prime is 67138583. The next prime is 67138619. The reversal of 67138594 is 49583176.

It is a self number, because there is not a number n which added to its sum of digits gives 67138594.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60654 + ... + 61750.

It is an arithmetic number, because the mean of its divisors is an integer number (6403536).

Almost surely, 2^67138594 is an apocalyptic number.

67138594 is a deficient number, since it is larger than the sum of its proper divisors (35317982).

67138594 is a wasteful number, since it uses less digits than its factorization.

67138594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1601.

The product of its digits is 181440, while the sum is 43.

The square root of 67138594 is about 8193.8143742704. The cubic root of 67138594 is about 406.4346699980.

The spelling of 67138594 in words is "sixty-seven million, one hundred thirty-eight thousand, five hundred ninety-four".