28566070 has 24 divisors (see below), whose sum is σ = 55681776. Its totient is φ = 10546848.

The previous prime is 28566067. The next prime is 28566071. The reversal of 28566070 is 7066582.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28566071) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6762 + ... + 10141.

It is an arithmetic number, because the mean of its divisors is an integer number (2320074).

Almost surely, 2^28566070 is an apocalyptic number.

28566070 is a deficient number, since it is larger than the sum of its proper divisors (27115706).

28566070 is a wasteful number, since it uses less digits than its factorization.

28566070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16936 (or 16923 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 28566070 is about 5344.7235662848. The cubic root of 28566070 is about 305.6915955235.

The spelling of 28566070 in words is "twenty-eight million, five hundred sixty-six thousand, seventy".