774666 has 12 divisors (see below), whose sum is σ = 1678482. Its totient is φ = 258216.

The previous prime is 774661. The next prime is 774667. The reversal of 774666 is 666477.

It can be written as a sum of positive squares in only one way, i.e., 772641 + 2025 = 879^2 + 45^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 774666.

It is not an unprimeable number, because it can be changed into a prime (774661) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21501 + ... + 21536.

2⁷⁷⁴⁶⁶⁶ is an apocalyptic number.

774666 is an abundant number, since it is smaller than the sum of its proper divisors (903816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

774666 is a wasteful number, since it uses less digits than its factorization.

774666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43045 (or 43042 counting only the distinct ones).

The product of its digits is 42336, while the sum is 36.

The square root of 774666 is about 880.1511233873. The cubic root of 774666 is about 91.8413301586.

The spelling of 774666 in words is "seven hundred seventy-four thousand, six hundred sixty-six".