774071434 has 4 divisors (see below), whose sum is σ = 1161107154. Its totient is φ = 387035716.

The previous prime is 774071429. The next prime is 774071437. The reversal of 774071434 is 434170477.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 434170477 = 13 ⋅33397729.

It can be written as a sum of positive squares in only one way, i.e., 491730625 + 282340809 = 22175^2 + 16803^2 .

It is a junction number, because it is equal to n+sod(n) for n = 774071393 and 774071402.

It is not an unprimeable number, because it can be changed into a prime (774071437) 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 as a sum of consecutive naturals, namely, 193517857 + ... + 193517860.

Almost surely, 2^774071434 is an apocalyptic number.

774071434 is a deficient number, since it is larger than the sum of its proper divisors (387035720).

774071434 is a wasteful number, since it uses less digits than its factorization.

774071434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387035719.

The product of its (nonzero) digits is 65856, while the sum is 37.

The square root of 774071434 is about 27822.1392779204. The cubic root of 774071434 is about 918.1782768202.

The spelling of 774071434 in words is "seven hundred seventy-four million, seventy-one thousand, four hundred thirty-four".