74000066694 has 16 divisors (see below), whose sum is σ = 148056077568. Its totient is φ = 24657364872.

The previous prime is 74000066689. The next prime is 74000066713. The reversal of 74000066694 is 49666000047.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2313802 + ... + 2345565.

It is an arithmetic number, because the mean of its divisors is an integer number (9253504848).

Almost surely, 2^74000066694 is an apocalyptic number.

74000066694 is an abundant number, since it is smaller than the sum of its proper divisors (74056010874).

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

74000066694 is a wasteful number, since it uses less digits than its factorization.

74000066694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4662019.

The product of its (nonzero) digits is 217728, while the sum is 42.

The spelling of 74000066694 in words is "seventy-four billion, sixty-six thousand, six hundred ninety-four".