774734834 has 4 divisors (see below), whose sum is σ = 1162102254. Its totient is φ = 387367416.

The previous prime is 774734833. The next prime is 774734837. The reversal of 774734834 is 438437477.

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

It can be written as a sum of positive squares in only one way, i.e., 424483609 + 350251225 = 20603^2 + 18715^2 .

It is not an unprimeable number, because it can be changed into a prime (774734833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193683707 + ... + 193683710.

Almost surely, 2^774734834 is an apocalyptic number.

774734834 is a deficient number, since it is larger than the sum of its proper divisors (387367420).

774734834 is a wasteful number, since it uses less digits than its factorization.

774734834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387367419.

The product of its digits is 1580544, while the sum is 47.

The square root of 774734834 is about 27834.0588847548. The cubic root of 774734834 is about 918.4405030671.

The spelling of 774734834 in words is "seven hundred seventy-four million, seven hundred thirty-four thousand, eight hundred thirty-four".