67678142 has 16 divisors (see below), whose sum is σ = 117106560. Its totient is φ = 28733208.

The previous prime is 67678067. The next prime is 67678151. The reversal of 67678142 is 24187676.

It is a self number, because there is not a number n which added to its sum of digits gives 67678142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21092 + ... + 24087.

It is an arithmetic number, because the mean of its divisors is an integer number (7319160).

Almost surely, 2^67678142 is an apocalyptic number.

67678142 is a deficient number, since it is larger than the sum of its proper divisors (49428418).

67678142 is a wasteful number, since it uses less digits than its factorization.

67678142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45295.

The product of its digits is 112896, while the sum is 41.

The square root of 67678142 is about 8226.6725958920. The cubic root of 67678142 is about 407.5205143549.

The spelling of 67678142 in words is "sixty-seven million, six hundred seventy-eight thousand, one hundred forty-two".