105725706073 has 4 divisors (see below), whose sum is σ = 113858452708. Its totient is φ = 97592959440.

The previous prime is 105725706019. The next prime is 105725706109. The reversal of 105725706073 is 370607527501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 370607527501 = 71 ⋅5219824331.

It can be written as a sum of positive squares in 2 ways, for example, as 8439729424 + 97285976649 = 91868^2 + 311907^2 .

It is a cyclic number.

It is not a de Polignac number, because 105725706073 - 2¹³ = 105725697881 is a prime.

It is a super-2 number, since 2×105725706073² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105725706173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4066373298 + ... + 4066373323.

It is an arithmetic number, because the mean of its divisors is an integer number (28464613177).

Almost surely, 2^105725706073 is an apocalyptic number.

105725706073 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

105725706073 is a deficient number, since it is larger than the sum of its proper divisors (8132746635).

105725706073 is an equidigital number, since it uses as much as digits as its factorization.

105725706073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8132746634.

The product of its (nonzero) digits is 308700, while the sum is 43.

The spelling of 105725706073 in words is "one hundred five billion, seven hundred twenty-five million, seven hundred six thousand, seventy-three".