774106428 has 12 divisors (see below), whose sum is σ = 1806248360. Its totient is φ = 258035472.

The previous prime is 774106391. The next prime is 774106433. The reversal of 774106428 is 824601477.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

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, 32254423 + ... + 32254446.

Almost surely, 2^774106428 is an apocalyptic number.

It is an amenable number.

774106428 is an abundant number, since it is smaller than the sum of its proper divisors (1032141932).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

774106428 is a wasteful number, since it uses less digits than its factorization.

774106428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64508876 (or 64508874 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 39.

The square root of 774106428 is about 27822.7681584705. The cubic root of 774106428 is about 918.1921128586.

It can be divided in two parts, 77410 and 6428, that added together give a palindrome (83838).

The spelling of 774106428 in words is "seven hundred seventy-four million, one hundred six thousand, four hundred twenty-eight".