74040066717 has 8 divisors (see below), whose sum is σ = 98989082496. Its totient is φ = 49225547712.

The previous prime is 74040066707. The next prime is 74040066733. The reversal of 74040066717 is 71766004047.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 74040066717 - 2²² = 74035872413 is a prime.

It is a super-2 number, since 2×74040066717² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74040066707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33622908 + ... + 33625109.

It is an arithmetic number, because the mean of its divisors is an integer number (12373635312).

Almost surely, 2^74040066717 is an apocalyptic number.

It is an amenable number.

74040066717 is a deficient number, since it is larger than the sum of its proper divisors (24949015779).

74040066717 is a wasteful number, since it uses less digits than its factorization.

74040066717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67248387.

The product of its (nonzero) digits is 197568, while the sum is 42.

The spelling of 74040066717 in words is "seventy-four billion, forty million, sixty-six thousand, seven hundred seventeen".