773428 has 6 divisors (see below), whose sum is σ = 1353506. Its totient is φ = 386712.

The previous prime is 773417. The next prime is 773447. The reversal of 773428 is 824377.

It can be written as a sum of positive squares in only one way, i.e., 725904 + 47524 = 852^2 + 218^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 773428.

It is a congruent number.

It is an unprimeable number.

773428 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 as a sum of consecutive naturals, namely, 96675 + ... + 96682.

2⁷⁷³⁴²⁸ is an apocalyptic number.

It is an amenable number.

773428 is a deficient number, since it is larger than the sum of its proper divisors (580078).

773428 is a wasteful number, since it uses less digits than its factorization.

773428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193361 (or 193359 counting only the distinct ones).

The product of its digits is 9408, while the sum is 31.

The square root of 773428 is about 879.4475538655. The cubic root of 773428 is about 91.7923799492.

The spelling of 773428 in words is "seven hundred seventy-three thousand, four hundred twenty-eight".