28276670 has 8 divisors (see below), whose sum is σ = 50898024. Its totient is φ = 11310664.

The previous prime is 28276669. The next prime is 28276679. The reversal of 28276670 is 7667282.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28276679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1413824 + ... + 1413843.

It is an arithmetic number, because the mean of its divisors is an integer number (6362253).

Almost surely, 2^28276670 is an apocalyptic number.

28276670 is a deficient number, since it is larger than the sum of its proper divisors (22621354).

28276670 is a wasteful number, since it uses less digits than its factorization.

28276670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2827674.

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 28276670 is about 5317.5812170572. The cubic root of 28276670 is about 304.6557793582.

The spelling of 28276670 in words is "twenty-eight million, two hundred seventy-six thousand, six hundred seventy".