28069995 has 16 divisors (see below), whose sum is σ = 45043200. Its totient is φ = 14926944.

The previous prime is 28069981. The next prime is 28069997. The reversal of 28069995 is 59996082.

It is not a de Polignac number, because 28069995 - 2²⁴ = 11292779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28069997) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2956 + ... + 8054.

It is an arithmetic number, because the mean of its divisors is an integer number (2815200).

Almost surely, 2^28069995 is an apocalyptic number.

28069995 is a deficient number, since it is larger than the sum of its proper divisors (16973205).

28069995 is a wasteful number, since it uses less digits than its factorization.

28069995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5474.

The product of its (nonzero) digits is 349920, while the sum is 48.

The square root of 28069995 is about 5298.1123997137. The cubic root of 28069995 is about 303.9117176418.

The spelling of 28069995 in words is "twenty-eight million, sixty-nine thousand, nine hundred ninety-five".