774104381 has 4 divisors (see below), whose sum is σ = 774587100. Its totient is φ = 773621664.

The previous prime is 774104377. The next prime is 774104393. The reversal of 774104381 is 183401477.

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 631516900 + 142587481 = 25130^2 + 11941^2 .

It is a cyclic number.

It is not a de Polignac number, because 774104381 - 2² = 774104377 is a prime.

It is a super-2 number, since 2×774104381² = 1198475185366786322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (774104321) 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, 238946 + ... + 242163.

It is an arithmetic number, because the mean of its divisors is an integer number (193646775).

Almost surely, 2^774104381 is an apocalyptic number.

It is an amenable number.

774104381 is a deficient number, since it is larger than the sum of its proper divisors (482719).

774104381 is a wasteful number, since it uses less digits than its factorization.

774104381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482718.

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 774104381 is about 27822.7313720274. The cubic root of 774104381 is about 918.1913035208.

The spelling of 774104381 in words is "seven hundred seventy-four million, one hundred four thousand, three hundred eighty-one".