774089 has 4 divisors (see below), whose sum is σ = 776724. Its totient is φ = 771456.

The previous prime is 774083. The next prime is 774107. The reversal of 774089 is 980477.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 980477 = 181 ⋅5417.

It can be written as a sum of positive squares in 2 ways, for example, as 284089 + 490000 = 533^2 + 700^2 .

It is a cyclic number.

It is not a de Polignac number, because 774089 - 2⁴ = 774073 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (774083) 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, 812 + ... + 1485.

It is an arithmetic number, because the mean of its divisors is an integer number (194181).

2⁷⁷⁴⁰⁸⁹ is an apocalyptic number.

It is an amenable number.

774089 is a deficient number, since it is larger than the sum of its proper divisors (2635).

774089 is a wasteful number, since it uses less digits than its factorization.

774089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2634.

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 774089 is about 879.8232777098. The cubic root of 774089 is about 91.8185222173.

The spelling of 774089 in words is "seven hundred seventy-four thousand, eighty-nine".