774930047 has 4 divisors (see below), whose sum is σ = 792951720. Its totient is φ = 756908376.

The previous prime is 774930019. The next prime is 774930049. The reversal of 774930047 is 740039477.

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

It is a cyclic number.

It is not a de Polignac number, because 774930047 - 2¹⁴ = 774913663 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 774929986 and 774930013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (774930049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9010772 + ... + 9010857.

It is an arithmetic number, because the mean of its divisors is an integer number (198237930).

Almost surely, 2^774930047 is an apocalyptic number.

774930047 is a deficient number, since it is larger than the sum of its proper divisors (18021673).

774930047 is a wasteful number, since it uses less digits than its factorization.

774930047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18021672.

The product of its (nonzero) digits is 148176, while the sum is 41.

The square root of 774930047 is about 27837.5653928284. The cubic root of 774930047 is about 918.5176376174.

The spelling of 774930047 in words is "seven hundred seventy-four million, nine hundred thirty thousand, forty-seven".