728006794 has 8 divisors (see below), whose sum is σ = 1101674340. Its totient is φ = 360782016.

The previous prime is 728006789. The next prime is 728006803. The reversal of 728006794 is 497600827.

It can be written as a sum of positive squares in 2 ways, for example, as 631868769 + 96138025 = 25137^2 + 9805^2 .

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

It is a super-2 number, since 2×728006794² = 1059987784220316872, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 728006794.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1610409 + ... + 1610860.

Almost surely, 2^728006794 is an apocalyptic number.

728006794 is a deficient number, since it is larger than the sum of its proper divisors (373667546).

728006794 is a wasteful number, since it uses less digits than its factorization.

728006794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3221384.

The product of its (nonzero) digits is 169344, while the sum is 43.

The square root of 728006794 is about 26981.6010273668. The cubic root of 728006794 is about 899.5910874909.

The spelling of 728006794 in words is "seven hundred twenty-eight million, six thousand, seven hundred ninety-four".