806704728 has 16 divisors (see below), whose sum is σ = 2016761880. Its totient is φ = 268901568.

The previous prime is 806704711. The next prime is 806704739. The reversal of 806704728 is 827407608.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 806704728.

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, 16806325 + ... + 16806372.

Almost surely, 2^806704728 is an apocalyptic number.

It is an amenable number.

806704728 is an abundant number, since it is smaller than the sum of its proper divisors (1210057152).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

806704728 is a wasteful number, since it uses less digits than its factorization.

806704728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33612706 (or 33612702 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 42.

The square root of 806704728 is about 28402.5479138756. The cubic root of 806704728 is about 930.9039378511.

The spelling of 806704728 in words is "eight hundred six million, seven hundred four thousand, seven hundred twenty-eight".