774628 has 12 divisors (see below), whose sum is σ = 1399552. Its totient is φ = 374760.

The previous prime is 774601. The next prime is 774629. The reversal of 774628 is 826477.

It is a junction number, because it is equal to n+sod(n) for n = 774593 and 774602.

It is not an unprimeable number, because it can be changed into a prime (774629) by changing a digit.

774628 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3000 + ... + 3247.

2⁷⁷⁴⁶²⁸ is an apocalyptic number.

It is an amenable number.

774628 is a deficient number, since it is larger than the sum of its proper divisors (624924).

774628 is a wasteful number, since it uses less digits than its factorization.

774628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6282 (or 6280 counting only the distinct ones).

The product of its digits is 18816, while the sum is 34.

The square root of 774628 is about 880.1295359207. The cubic root of 774628 is about 91.8398284242.

The spelling of 774628 in words is "seven hundred seventy-four thousand, six hundred twenty-eight".