74040066740 has 12 divisors (see below), whose sum is σ = 155484140196. Its totient is φ = 29616026688.

The previous prime is 74040066739. The next prime is 74040066757. The reversal of 74040066740 is 4766004047.

It can be written as a sum of positive squares in 2 ways, for example, as 13723653904 + 60316412836 = 117148^2 + 245594^2 .

It is a junction number, because it is equal to n+sod(n) for n = 74040066694 and 74040066703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1851001649 + ... + 1851001688.

It is an arithmetic number, because the mean of its divisors is an integer number (12957011683).

Almost surely, 2^74040066740 is an apocalyptic number.

It is an amenable number.

74040066740 is an abundant number, since it is smaller than the sum of its proper divisors (81444073456).

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

74040066740 is a wasteful number, since it uses less digits than its factorization.

74040066740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3702003346 (or 3702003344 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 38.

The spelling of 74040066740 in words is "seventy-four billion, forty million, sixty-six thousand, seven hundred forty".