28070048 has 24 divisors (see below), whose sum is σ = 55706112. Its totient is φ = 13922496.

The previous prime is 28070047. The next prime is 28070069. The reversal of 28070048 is 84007082.

It is a self number, because there is not a number n which added to its sum of digits gives 28070048.

It is not an unprimeable number, because it can be changed into a prime (28070047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 611 + ... + 7517.

It is an arithmetic number, because the mean of its divisors is an integer number (2321088).

Almost surely, 2^28070048 is an apocalyptic number.

It is an amenable number.

28070048 is a deficient number, since it is larger than the sum of its proper divisors (27636064).

28070048 is a wasteful number, since it uses less digits than its factorization.

28070048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7044 (or 7036 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 29.

The square root of 28070048 is about 5298.1174014927. The cubic root of 28070048 is about 303.9119089174.

The spelling of 28070048 in words is "twenty-eight million, seventy thousand, forty-eight".