28704795 has 32 divisors (see below), whose sum is σ = 52835328. Its totient is φ = 13035648.

The previous prime is 28704769. The next prime is 28704799. The reversal of 28704795 is 59740782.

It is not a de Polignac number, because 28704795 - 2⁹ = 28704283 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28704799) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16717 + ... + 18353.

It is an arithmetic number, because the mean of its divisors is an integer number (1651104).

Almost surely, 2^28704795 is an apocalyptic number.

28704795 is a deficient number, since it is larger than the sum of its proper divisors (24130533).

28704795 is a wasteful number, since it uses less digits than its factorization.

28704795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1819.

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 28704795 is about 5357.6856010781. The cubic root of 28704795 is about 306.1856385642.

The spelling of 28704795 in words is "twenty-eight million, seven hundred four thousand, seven hundred ninety-five".