74506233881 has 4 divisors (see below), whose sum is σ = 74506819764. Its totient is φ = 74505648000.

The previous prime is 74506233853. The next prime is 74506233911. The reversal of 74506233881 is 18833260547.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 33175343881 + 41330890000 = 182141^2 + 203300^2 .

It is a cyclic number.

It is not a de Polignac number, because 74506233881 - 2¹⁸ = 74505971737 is a prime.

It is a super-2 number, since 2×74506233881² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74506232881) 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 3 ways as a sum of consecutive naturals, for example, 13040 + ... + 386241.

It is an arithmetic number, because the mean of its divisors is an integer number (18626704941).

Almost surely, 2^74506233881 is an apocalyptic number.

It is an amenable number.

74506233881 is a deficient number, since it is larger than the sum of its proper divisors (585883).

74506233881 is a wasteful number, since it uses less digits than its factorization.

74506233881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585882.

The product of its (nonzero) digits is 967680, while the sum is 47.

The spelling of 74506233881 in words is "seventy-four billion, five hundred six million, two hundred thirty-three thousand, eight hundred eighty-one".