728046650 has 12 divisors (see below), whose sum is σ = 1354166862. Its totient is φ = 291218640.

The previous prime is 728046629. The next prime is 728046661. The reversal of 728046650 is 56640827.

It is a happy number.

728046650 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 645109201 + 82937449 = 25399^2 + 9107^2 .

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7280417 + ... + 7280516.

Almost surely, 2^728046650 is an apocalyptic number.

728046650 is a deficient number, since it is larger than the sum of its proper divisors (626120212).

728046650 is a wasteful number, since it uses less digits than its factorization.

728046650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14560945 (or 14560940 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 728046650 is about 26982.3395946312. The cubic root of 728046650 is about 899.6075037517.

The spelling of 728046650 in words is "seven hundred twenty-eight million, forty-six thousand, six hundred fifty".