773648 has 10 divisors (see below), whose sum is σ = 1498974. Its totient is φ = 386816.

The previous prime is 773611. The next prime is 773657. The reversal of 773648 is 846377.

It can be written as a sum of positive squares in only one way, i.e., 473344 + 300304 = 688^2 + 548^2 .

It is an unprimeable number.

773648 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24161 + ... + 24192.

2⁷⁷³⁶⁴⁸ is an apocalyptic number.

It is an amenable number.

773648 is a deficient number, since it is larger than the sum of its proper divisors (725326).

773648 is a wasteful number, since it uses less digits than its factorization.

773648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48361 (or 48355 counting only the distinct ones).

The product of its digits is 28224, while the sum is 35.

The square root of 773648 is about 879.5726234939. The cubic root of 773648 is about 91.8010825085.

The spelling of 773648 in words is "seven hundred seventy-three thousand, six hundred forty-eight".