105000073 has 2 divisors, whose sum is σ = 105000074. Its totient is φ = 105000072.

The previous prime is 105000067. The next prime is 105000107. The reversal of 105000073 is 370000501.

105000073 is nontrivially palindromic in base 6.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85525504 + 19474569 = 9248^2 + 4413^2 .

It is a cyclic number.

It is not a de Polignac number, because 105000073 - 2⁹ = 104999561 is a prime.

It is a super-2 number, since 2×105000073² = 22050030660010658, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (105000173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52500036 + 52500037.

It is an arithmetic number, because the mean of its divisors is an integer number (52500037).

Almost surely, 2^105000073 is an apocalyptic number.

It is an amenable number.

105000073 is a deficient number, since it is larger than the sum of its proper divisors (1).

105000073 is an equidigital number, since it uses as much as digits as its factorization.

105000073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105, while the sum is 16.

The square root of 105000073 is about 10246.9543279942. The cubic root of 105000073 is about 471.7695073623.

Adding to 105000073 its reverse (370000501), we get a palindrome (475000574).

The spelling of 105000073 in words is "one hundred five million, seventy-three", and thus it is an aban number.