774668 has 12 divisors (see below), whose sum is σ = 1427160. Its totient is φ = 366912.

The previous prime is 774667. The next prime is 774671. The reversal of 774668 is 866477.

It is a super-2 number, since 2×774668² = 1200221020448, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

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 3 ways as a sum of consecutive naturals, for example, 5021 + ... + 5172.

It is an arithmetic number, because the mean of its divisors is an integer number (118930).

2⁷⁷⁴⁶⁶⁸ is an apocalyptic number.

It is an amenable number.

774668 is a deficient number, since it is larger than the sum of its proper divisors (652492).

774668 is a wasteful number, since it uses less digits than its factorization.

774668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10216 (or 10214 counting only the distinct ones).

The product of its digits is 56448, while the sum is 38.

The square root of 774668 is about 880.1522595551. The cubic root of 774668 is about 91.8414091958.

Subtracting 774668 from its reverse (866477), we obtain a square (91809 = 303²).

The spelling of 774668 in words is "seven hundred seventy-four thousand, six hundred sixty-eight".