728650652 has 12 divisors (see below), whose sum is σ = 1304793336. Its totient is φ = 355852560.

The previous prime is 728650631. The next prime is 728650667. The reversal of 728650652 is 256056827.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2117999 + ... + 2118342.

It is an arithmetic number, because the mean of its divisors is an integer number (108732778).

Almost surely, 2^728650652 is an apocalyptic number.

It is an amenable number.

728650652 is a deficient number, since it is larger than the sum of its proper divisors (576142684).

728650652 is a wasteful number, since it uses less digits than its factorization.

728650652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4236388 (or 4236386 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 41.

The square root of 728650652 is about 26993.5298173470. The cubic root of 728650652 is about 899.8562124201.

The spelling of 728650652 in words is "seven hundred twenty-eight million, six hundred fifty thousand, six hundred fifty-two".