774738 has 16 divisors (see below), whose sum is σ = 1721760. Its totient is φ = 258228.

The previous prime is 774733. The next prime is 774757. The reversal of 774738 is 837477.

It is a happy number.

774738 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 774738.

It is not an unprimeable number, because it can be changed into a prime (774733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7120 + ... + 7227.

It is an arithmetic number, because the mean of its divisors is an integer number (107610).

2⁷⁷⁴⁷³⁸ is an apocalyptic number.

774738 is an abundant number, since it is smaller than the sum of its proper divisors (947022).

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

774738 is a wasteful number, since it uses less digits than its factorization.

774738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14358 (or 14352 counting only the distinct ones).

The product of its digits is 32928, while the sum is 36.

The square root of 774738 is about 880.1920245037. The cubic root of 774738 is about 91.8441754153.

The spelling of 774738 in words is "seven hundred seventy-four thousand, seven hundred thirty-eight".