774994436 has 12 divisors (see below), whose sum is σ = 1436019228. Its totient is φ = 364703232.

The previous prime is 774994433. The next prime is 774994457. The reversal of 774994436 is 634499477.

It can be written as a sum of positive squares in 2 ways, for example, as 398401600 + 376592836 = 19960^2 + 19406^2 .

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (774994433) 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, 5698421 + ... + 5698556.

It is an arithmetic number, because the mean of its divisors is an integer number (119668269).

Almost surely, 2^774994436 is an apocalyptic number.

It is an amenable number.

774994436 is a deficient number, since it is larger than the sum of its proper divisors (661024792).

774994436 is a wasteful number, since it uses less digits than its factorization.

774994436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11396998 (or 11396996 counting only the distinct ones).

The product of its digits is 4572288, while the sum is 53.

The square root of 774994436 is about 27838.7218815807. The cubic root of 774994436 is about 918.5430768144.

The spelling of 774994436 in words is "seven hundred seventy-four million, nine hundred ninety-four thousand, four hundred thirty-six".