74313550769 has 4 divisors (see below), whose sum is σ = 74319350820. Its totient is φ = 74307750720.

The previous prime is 74313550721. The next prime is 74313550777. The reversal of 74313550769 is 96705531347.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 96705531347 = 5557 ⋅17402471.

It can be written as a sum of positive squares in 2 ways, for example, as 33998934544 + 40314616225 = 184388^2 + 200785^2 .

It is a cyclic number.

It is not a de Polignac number, because 74313550769 - 2²⁴ = 74296773553 is a prime.

It is a super-2 number, since 2×74313550769² (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 (74313550799) 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, 2880764 + ... + 2906445.

It is an arithmetic number, because the mean of its divisors is an integer number (18579837705).

Almost surely, 2^74313550769 is an apocalyptic number.

It is an amenable number.

74313550769 is a deficient number, since it is larger than the sum of its proper divisors (5800051).

74313550769 is a wasteful number, since it uses less digits than its factorization.

74313550769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5800050.

The product of its (nonzero) digits is 2381400, while the sum is 50.

The spelling of 74313550769 in words is "seventy-four billion, three hundred thirteen million, five hundred fifty thousand, seven hundred sixty-nine".