67000346742 has 32 divisors (see below), whose sum is σ = 159802071552. Its totient is φ = 18310653504.

The previous prime is 67000346731. The next prime is 67000346747. The reversal of 67000346742 is 24764300076.

It is a self number, because there is not a number n which added to its sum of digits gives 67000346742.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67000346747) 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 15 ways as a sum of consecutive naturals, for example, 34678303 + ... + 34680234.

It is an arithmetic number, because the mean of its divisors is an integer number (4993814736).

Almost surely, 2^67000346742 is an apocalyptic number.

67000346742 is an abundant number, since it is smaller than the sum of its proper divisors (92801724810).

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

67000346742 is a wasteful number, since it uses less digits than its factorization.

67000346742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69358572.

The product of its (nonzero) digits is 169344, while the sum is 39.

The spelling of 67000346742 in words is "sixty-seven billion, three hundred forty-six thousand, seven hundred forty-two".