774256 has 40 divisors (see below), whose sum is σ = 1777664. Its totient is φ = 319680.

The previous prime is 774239. The next prime is 774283. The reversal of 774256 is 652477.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3361 + ... + 3583.

2⁷⁷⁴²⁵⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 774256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (888832).

774256 is an abundant number, since it is smaller than the sum of its proper divisors (1003408).

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

774256 is a wasteful number, since it uses less digits than its factorization.

774256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269 (or 263 counting only the distinct ones).

The product of its digits is 11760, while the sum is 31.

The square root of 774256 is about 879.9181780143. The cubic root of 774256 is about 91.8251246410.

774256 divided by its sum of digits (31) gives a triangular number (24976 = T₂₂₃).

The spelling of 774256 in words is "seven hundred seventy-four thousand, two hundred fifty-six".