728750606 has 8 divisors (see below), whose sum is σ = 1093244040. Its totient is φ = 364335928.

The previous prime is 728750597. The next prime is 728750629. The reversal of 728750606 is 606057827.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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, 17480 + ... + 41988.

It is an arithmetic number, because the mean of its divisors is an integer number (136655505).

Almost surely, 2^728750606 is an apocalyptic number.

728750606 is a deficient number, since it is larger than the sum of its proper divisors (364493434).

728750606 is a wasteful number, since it uses less digits than its factorization.

728750606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39378.

The product of its (nonzero) digits is 141120, while the sum is 41.

The square root of 728750606 is about 26995.3811975308. The cubic root of 728750606 is about 899.8973570185.

The spelling of 728750606 in words is "seven hundred twenty-eight million, seven hundred fifty thousand, six hundred six".