74009994775 has 24 divisors (see below), whose sum is σ = 92849749200. Its totient is φ = 58513593600.

The previous prime is 74009994731. The next prime is 74009994809. The reversal of 74009994775 is 57749990047.

It is not a de Polignac number, because 74009994775 - 2⁷ = 74009994647 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5197165 + ... + 5211385.

It is an arithmetic number, because the mean of its divisors is an integer number (3868739550).

Almost surely, 2^74009994775 is an apocalyptic number.

74009994775 is a deficient number, since it is larger than the sum of its proper divisors (18839754425).

74009994775 is a wasteful number, since it uses less digits than its factorization.

74009994775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16659 (or 16654 counting only the distinct ones).

The product of its (nonzero) digits is 20003760, while the sum is 61.

The spelling of 74009994775 in words is "seventy-four billion, nine million, nine hundred ninety-four thousand, seven hundred seventy-five".