74040066694 has 64 divisors (see below), whose sum is σ = 123277220352. Its totient is φ = 33072883200.

The previous prime is 74040066679. The next prime is 74040066707. The reversal of 74040066694 is 49666004047.

It is a congruent number.

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, 219703294 + ... + 219703630.

It is an arithmetic number, because the mean of its divisors is an integer number (1926206568).

Almost surely, 2^74040066694 is an apocalyptic number.

74040066694 is a deficient number, since it is larger than the sum of its proper divisors (49237153658).

74040066694 is a wasteful number, since it uses less digits than its factorization.

74040066694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021.

The product of its (nonzero) digits is 870912, while the sum is 46.

The spelling of 74040066694 in words is "seventy-four billion, forty million, sixty-six thousand, six hundred ninety-four".