67406674128 has 40 divisors (see below), whose sum is σ = 174143541600. Its totient is φ = 22467648384.

The previous prime is 67406674123. The next prime is 67406674157. The reversal of 67406674128 is 82147660476.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67406674123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1349178 + ... + 1398246.

It is an arithmetic number, because the mean of its divisors is an integer number (4353588540).

Almost surely, 2^67406674128 is an apocalyptic number.

It is an amenable number.

67406674128 is an abundant number, since it is smaller than the sum of its proper divisors (106736867472).

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

67406674128 is a wasteful number, since it uses less digits than its factorization.

67406674128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77699 (or 77693 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 51.

The spelling of 67406674128 in words is "sixty-seven billion, four hundred six million, six hundred seventy-four thousand, one hundred twenty-eight".