74054774393 has 4 divisors (see below), whose sum is σ = 76056254820. Its totient is φ = 72053293968.

The previous prime is 74054774389. The next prime is 74054774449. The reversal of 74054774393 is 39347745047.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 48418921849 + 25635852544 = 220043^2 + 160112^2 .

It is a cyclic number.

It is not a de Polignac number, because 74054774393 - 2² = 74054774389 is a prime.

It is a super-4 number, since 4×74054774393⁴ (a number of 45 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (74054774323) 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, 1000740158 + ... + 1000740231.

It is an arithmetic number, because the mean of its divisors is an integer number (19014063705).

Almost surely, 2^74054774393 is an apocalyptic number.

It is an amenable number.

74054774393 is a deficient number, since it is larger than the sum of its proper divisors (2001480427).

74054774393 is a wasteful number, since it uses less digits than its factorization.

74054774393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2001480426.

The product of its (nonzero) digits is 8890560, while the sum is 53.

The spelling of 74054774393 in words is "seventy-four billion, fifty-four million, seven hundred seventy-four thousand, three hundred ninety-three".