1028730007 has 2 divisors, whose sum is σ = 1028730008. Its totient is φ = 1028730006.

The previous prime is 1028729983. The next prime is 1028730013. The reversal of 1028730007 is 7000378201.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1028730007 - 2¹⁹ = 1028205719 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1028730037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 514365003 + 514365004.

It is an arithmetic number, because the mean of its divisors is an integer number (514365004).

Almost surely, 2^1028730007 is an apocalyptic number.

1028730007 is a deficient number, since it is larger than the sum of its proper divisors (1).

1028730007 is an equidigital number, since it uses as much as digits as its factorization.

1028730007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 1028730007 is about 32073.8212098278. The cubic root of 1028730007 is about 1009.4863927865.

The spelling of 1028730007 in words is "one billion, twenty-eight million, seven hundred thirty thousand, seven".