28672170 has 32 divisors (see below), whose sum is σ = 69007680. Its totient is φ = 7624320.

The previous prime is 28672169. The next prime is 28672177. The reversal of 28672170 is 7127682.

It is not an unprimeable number, because it can be changed into a prime (28672177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11430 + ... + 13710.

It is an arithmetic number, because the mean of its divisors is an integer number (2156490).

Almost surely, 2^28672170 is an apocalyptic number.

28672170 is an abundant number, since it is smaller than the sum of its proper divisors (40335510).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28672170 is a wasteful number, since it uses less digits than its factorization.

28672170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2710.

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 28672170 is about 5354.6400439245. The cubic root of 28672170 is about 306.0695941499.

The spelling of 28672170 in words is "twenty-eight million, six hundred seventy-two thousand, one hundred seventy".