105728703 has 4 divisors (see below), whose sum is σ = 140971608. Its totient is φ = 70485800.

The previous prime is 105728699. The next prime is 105728713. The reversal of 105728703 is 307827501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 307827501 = 3 ⋅102609167.

It is a cyclic number.

It is not a de Polignac number, because 105728703 - 2² = 105728699 is a prime.

It is a super-2 number, since 2×105728703² = 22357117276124418, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105728713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17621448 + ... + 17621453.

It is an arithmetic number, because the mean of its divisors is an integer number (35242902).

Almost surely, 2^105728703 is an apocalyptic number.

105728703 is a deficient number, since it is larger than the sum of its proper divisors (35242905).

105728703 is an equidigital number, since it uses as much as digits as its factorization.

105728703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35242904.

The product of its (nonzero) digits is 11760, while the sum is 33.

The square root of 105728703 is about 10282.4463528870. The cubic root of 105728703 is about 472.8582473882.

The spelling of 105728703 in words is "one hundred five million, seven hundred twenty-eight thousand, seven hundred three".