67434027136 has 64 divisors (see below), whose sum is σ = 153569160000. Its totient is φ = 28893459456.

The previous prime is 67434027131. The next prime is 67434027163. The reversal of 67434027136 is 63172043476.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 67434027092 and 67434027101.

It is not an unprimeable number, because it can be changed into a prime (67434027131) 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, 6176050 + ... + 6186958.

It is an arithmetic number, because the mean of its divisors is an integer number (2399518125).

Almost surely, 2^67434027136 is an apocalyptic number.

It is an amenable number.

67434027136 is an abundant number, since it is smaller than the sum of its proper divisors (86135132864).

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

67434027136 is a wasteful number, since it uses less digits than its factorization.

67434027136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17829 (or 17817 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 43.

The spelling of 67434027136 in words is "sixty-seven billion, four hundred thirty-four million, twenty-seven thousand, one hundred thirty-six".