67429875242 has 16 divisors (see below), whose sum is σ = 101262755880. Its totient is φ = 33675649728.

The previous prime is 67429875217. The next prime is 67429875299. The reversal of 67429875242 is 24257892476.

It can be written as a sum of positive squares in 4 ways, for example, as 57355939081 + 10073936161 = 239491^2 + 100369^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7140548 + ... + 7149984.

Almost surely, 2^67429875242 is an apocalyptic number.

67429875242 is a deficient number, since it is larger than the sum of its proper divisors (33832880638).

67429875242 is a wasteful number, since it uses less digits than its factorization.

67429875242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13225.

The product of its digits is 13547520, while the sum is 56.

The spelling of 67429875242 in words is "sixty-seven billion, four hundred twenty-nine million, eight hundred seventy-five thousand, two hundred forty-two".