28672030 has 32 divisors (see below), whose sum is σ = 57029184. Its totient is φ = 10323456.

The previous prime is 28671989. The next prime is 28672037. The reversal of 28672030 is 3027682.

It is a self number, because there is not a number n which added to its sum of digits gives 28672030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28672037) 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, 244 + ... + 7576.

It is an arithmetic number, because the mean of its divisors is an integer number (1782162).

Almost surely, 2^28672030 is an apocalyptic number.

28672030 is a deficient number, since it is larger than the sum of its proper divisors (28357154).

28672030 is a wasteful number, since it uses less digits than its factorization.

28672030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7380.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 28672030 is about 5354.6269711344. The cubic root of 28672030 is about 306.0690959919.

The spelling of 28672030 in words is "twenty-eight million, six hundred seventy-two thousand, thirty".