67408872012 has 36 divisors (see below), whose sum is σ = 170811298840. Its totient is φ = 22414681152.

The previous prime is 67408872001. The next prime is 67408872017. The reversal of 67408872012 is 21027880476.

67408872012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (67408872017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2274358 + ... + 2303805.

Almost surely, 2^67408872012 is an apocalyptic number.

It is an amenable number.

67408872012 is an abundant number, since it is smaller than the sum of its proper divisors (103402426828).

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

67408872012 is a wasteful number, since it uses less digits than its factorization.

67408872012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4578582 (or 4578577 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 45.

The spelling of 67408872012 in words is "sixty-seven billion, four hundred eight million, eight hundred seventy-two thousand, twelve".