74008812133 has 4 divisors (see below), whose sum is σ = 74009567808. Its totient is φ = 74008056460.

The previous prime is 74008812121. The next prime is 74008812149. The reversal of 74008812133 is 33121880047.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 74008812133 - 2⁹ = 74008811621 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74008812092 and 74008812101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74008812193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204391 + ... + 435652.

It is an arithmetic number, because the mean of its divisors is an integer number (18502391952).

Almost surely, 2^74008812133 is an apocalyptic number.

It is an amenable number.

74008812133 is a deficient number, since it is larger than the sum of its proper divisors (755675).

74008812133 is a wasteful number, since it uses less digits than its factorization.

74008812133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 755674.

The product of its (nonzero) digits is 32256, while the sum is 37.

The spelling of 74008812133 in words is "seventy-four billion, eight million, eight hundred twelve thousand, one hundred thirty-three".