804028745 has 32 divisors (see below), whose sum is σ = 1055158272. Its totient is φ = 584623872.

The previous prime is 804028723. The next prime is 804028777. The reversal of 804028745 is 547820408.

804028745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-804028745 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 804028699 and 804028708.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1427834 + ... + 1428396.

It is an arithmetic number, because the mean of its divisors is an integer number (32973696).

Almost surely, 2^804028745 is an apocalyptic number.

It is an amenable number.

804028745 is a deficient number, since it is larger than the sum of its proper divisors (251129527).

804028745 is a wasteful number, since it uses less digits than its factorization.

804028745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881.

The product of its (nonzero) digits is 71680, while the sum is 38.

The square root of 804028745 is about 28355.4006319784. The cubic root of 804028745 is about 929.8734729783.

The spelling of 804028745 in words is "eight hundred four million, twenty-eight thousand, seven hundred forty-five".