1000018073 has 2 divisors, whose sum is σ = 1000018074. Its totient is φ = 1000018072.

The previous prime is 1000018067. The next prime is 1000018087. The reversal of 1000018073 is 3708100001.

1000018073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 995213209 + 4804864 = 31547^2 + 2192^2 .

It is a cyclic number.

It is not a de Polignac number, because 1000018073 - 2¹⁸ = 999755929 is a prime.

It is a super-2 number, since 2×1000018073² = 2000072292653266658, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1000018093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500009036 + 500009037.

It is an arithmetic number, because the mean of its divisors is an integer number (500009037).

Almost surely, 2^1000018073 is an apocalyptic number.

It is an amenable number.

1000018073 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000018073 is an equidigital number, since it uses as much as digits as its factorization.

1000018073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 1000018073 is about 31623.0623596134. The cubic root of 1000018073 is about 1000.0060242970.

Adding to 1000018073 its reverse (3708100001), we get a palindrome (4708118074).

The spelling of 1000018073 in words is "one billion, eighteen thousand, seventy-three".