28470673 has 16 divisors (see below), whose sum is σ = 36255744. Its totient is φ = 21710160.

The previous prime is 28470653. The next prime is 28470697. The reversal of 28470673 is 37607482.

It is a cyclic number.

It is not a de Polignac number, because 28470673 - 2¹⁷ = 28339601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28470613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 315 + ... + 7552.

It is an arithmetic number, because the mean of its divisors is an integer number (2265984).

Almost surely, 2^28470673 is an apocalyptic number.

It is an amenable number.

28470673 is a deficient number, since it is larger than the sum of its proper divisors (7785071).

28470673 is a wasteful number, since it uses less digits than its factorization.

28470673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7932.

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 28470673 is about 5335.7916938351. The cubic root of 28470673 is about 305.3509281520.

The spelling of 28470673 in words is "twenty-eight million, four hundred seventy thousand, six hundred seventy-three".