28770673 has 2 divisors, whose sum is σ = 28770674. Its totient is φ = 28770672.

The previous prime is 28770667. The next prime is 28770683. The reversal of 28770673 is 37607782.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22733824 + 6036849 = 4768^2 + 2457^2 .

It is a cyclic number.

It is not a de Polignac number, because 28770673 - 2¹⁷ = 28639601 is a prime.

It is not a weakly prime, because it can be changed into another prime (28770653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14385336 + 14385337.

It is an arithmetic number, because the mean of its divisors is an integer number (14385337).

Almost surely, 2^28770673 is an apocalyptic number.

It is an amenable number.

28770673 is a deficient number, since it is larger than the sum of its proper divisors (1).

28770673 is an equidigital number, since it uses as much as digits as its factorization.

28770673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 98784, while the sum is 40.

The square root of 28770673 is about 5363.8300681509. The cubic root of 28770673 is about 306.4196933773.

The spelling of 28770673 in words is "twenty-eight million, seven hundred seventy thousand, six hundred seventy-three".