67400074066668 has 96 divisors (see below), whose sum is σ = 180673311694848. Its totient is φ = 19156701312000.

The previous prime is 67400074066531. The next prime is 67400074066673. The reversal of 67400074066668 is 86666047000476.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11810421 + ... + 16561587.

It is an arithmetic number, because the mean of its divisors is an integer number (1882013663488).

Almost surely, 2^{67400074066668} is an apocalyptic number.

It is an amenable number.

67400074066668 is an abundant number, since it is smaller than the sum of its proper divisors (113273237628180).

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

67400074066668 is a wasteful number, since it uses less digits than its factorization.

67400074066668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4752063 (or 4752061 counting only the distinct ones).

The product of its (nonzero) digits is 48771072, while the sum is 60.

The spelling of 67400074066668 in words is "sixty-seven trillion, four hundred billion, seventy-four million, sixty-six thousand, six hundred sixty-eight".