1162728673 has 2 divisors, whose sum is σ = 1162728674. Its totient is φ = 1162728672.

The previous prime is 1162728647. The next prime is 1162728701. The reversal of 1162728673 is 3768272611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 649842064 + 512886609 = 25492^2 + 22647^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1162728673 is a prime.

It is not a weakly prime, because it can be changed into another prime (1162728173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 581364336 + 581364337.

It is an arithmetic number, because the mean of its divisors is an integer number (581364337).

Almost surely, 2^1162728673 is an apocalyptic number.

It is an amenable number.

1162728673 is a deficient number, since it is larger than the sum of its proper divisors (1).

1162728673 is an equidigital number, since it uses as much as digits as its factorization.

1162728673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 169344, while the sum is 43.

The square root of 1162728673 is about 34098.8075011429. The cubic root of 1162728673 is about 1051.5407985043.

The spelling of 1162728673 in words is "one billion, one hundred sixty-two million, seven hundred twenty-eight thousand, six hundred seventy-three".