74068405791 has 8 divisors (see below), whose sum is σ = 98804665344. Its totient is φ = 49355541720.

The previous prime is 74068405783. The next prime is 74068405813. The reversal of 74068405791 is 19750486047.

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

It is not a de Polignac number, because 74068405791 - 2³ = 74068405783 is a prime.

It is a super-3 number, since 3×74068405791³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74068405771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5841481 + ... + 5854146.

It is an arithmetic number, because the mean of its divisors is an integer number (12350583168).

Almost surely, 2^74068405791 is an apocalyptic number.

74068405791 is a deficient number, since it is larger than the sum of its proper divisors (24736259553).

74068405791 is a wasteful number, since it uses less digits than its factorization.

74068405791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11697741.

The product of its (nonzero) digits is 1693440, while the sum is 51.

The spelling of 74068405791 in words is "seventy-four billion, sixty-eight million, four hundred five thousand, seven hundred ninety-one".