105728794 has 4 divisors (see below), whose sum is σ = 158593194. Its totient is φ = 52864396.

The previous prime is 105728783. The next prime is 105728807. The reversal of 105728794 is 497827501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 93373569 + 12355225 = 9663^2 + 3515^2 .

It is a super-2 number, since 2×105728794² = 22357155761388872, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105728794.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26432197 + ... + 26432200.

Almost surely, 2^105728794 is an apocalyptic number.

105728794 is a deficient number, since it is larger than the sum of its proper divisors (52864400).

105728794 is an equidigital number, since it uses as much as digits as its factorization.

105728794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52864399.

The product of its (nonzero) digits is 141120, while the sum is 43.

The square root of 105728794 is about 10282.4507779031. The cubic root of 105728794 is about 472.8583830502.

The spelling of 105728794 in words is "one hundred five million, seven hundred twenty-eight thousand, seven hundred ninety-four".