67142028742 has 32 divisors (see below), whose sum is σ = 102929702400. Its totient is φ = 32840964000.

The previous prime is 67142028731. The next prime is 67142028749. The reversal of 67142028742 is 24782024176.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67142028749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11878617 + ... + 11884267.

It is an arithmetic number, because the mean of its divisors is an integer number (3216553200).

Almost surely, 2^67142028742 is an apocalyptic number.

67142028742 is a deficient number, since it is larger than the sum of its proper divisors (35787673658).

67142028742 is a wasteful number, since it uses less digits than its factorization.

67142028742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6412.

The product of its (nonzero) digits is 301056, while the sum is 43.

The spelling of 67142028742 in words is "sixty-seven billion, one hundred forty-two million, twenty-eight thousand, seven hundred forty-two".