774316489 has 4 divisors (see below), whose sum is σ = 781420420. Its totient is φ = 767212560.

The previous prime is 774316471. The next prime is 774316549. The reversal of 774316489 is 984613477.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 984613477 = 10133 ⋅97169.

It can be written as a sum of positive squares in 2 ways, for example, as 241491600 + 532824889 = 15540^2 + 23083^2 .

It is a cyclic number.

It is not a de Polignac number, because 774316489 - 2⁵ = 774316457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (774316429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3551802 + ... + 3552019.

It is an arithmetic number, because the mean of its divisors is an integer number (195355105).

Almost surely, 2^774316489 is an apocalyptic number.

It is an amenable number.

774316489 is a deficient number, since it is larger than the sum of its proper divisors (7103931).

774316489 is a wasteful number, since it uses less digits than its factorization.

774316489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7103930.

The product of its digits is 1016064, while the sum is 49.

The square root of 774316489 is about 27826.5428862444. The cubic root of 774316489 is about 918.2751586789.

The spelling of 774316489 in words is "seven hundred seventy-four million, three hundred sixteen thousand, four hundred eighty-nine".