773128 has 16 divisors (see below), whose sum is σ = 1459260. Its totient is φ = 384000.

The previous prime is 773117. The next prime is 773147. The reversal of 773128 is 821377.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 611524 + 161604 = 782^2 + 402^2 .

It is a junction number, because it is equal to n+sod(n) for n = 773096 and 773105.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1728 + ... + 2128.

2⁷⁷³¹²⁸ is an apocalyptic number.

It is an amenable number.

773128 is a deficient number, since it is larger than the sum of its proper divisors (686132).

773128 is a wasteful number, since it uses less digits than its factorization.

773128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648 (or 644 counting only the distinct ones).

The product of its digits is 2352, while the sum is 28.

The square root of 773128 is about 879.2769757022. The cubic root of 773128 is about 91.7805101629.

The spelling of 773128 in words is "seven hundred seventy-three thousand, one hundred twenty-eight".