774540673 has 4 divisors (see below), whose sum is σ = 799525888. Its totient is φ = 749555460.

The previous prime is 774540667. The next prime is 774540707. The reversal of 774540673 is 376045477.

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.

It is a cyclic number.

It is not a de Polignac number, because 774540673 - 2⁹ = 774540161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (774540653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12492561 + ... + 12492622.

It is an arithmetic number, because the mean of its divisors is an integer number (199881472).

Almost surely, 2^774540673 is an apocalyptic number.

It is an amenable number.

774540673 is a deficient number, since it is larger than the sum of its proper divisors (24985215).

774540673 is a wasteful number, since it uses less digits than its factorization.

774540673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24985214.

The product of its (nonzero) digits is 493920, while the sum is 43.

The square root of 774540673 is about 27830.5708349649. The cubic root of 774540673 is about 918.3637713400.

The spelling of 774540673 in words is "seven hundred seventy-four million, five hundred forty thousand, six hundred seventy-three".