105768709 has 8 divisors (see below), whose sum is σ = 106634880. Its totient is φ = 104906256.

The previous prime is 105768671. The next prime is 105768727. The reversal of 105768709 is 907867501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105768709 is a prime.

It is a super-2 number, since 2×105768709² = 22374039607053362, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105768749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85872 + ... + 87094.

It is an arithmetic number, because the mean of its divisors is an integer number (13329360).

Almost surely, 2^105768709 is an apocalyptic number.

It is an amenable number.

105768709 is a deficient number, since it is larger than the sum of its proper divisors (866171).

105768709 is a wasteful number, since it uses less digits than its factorization.

105768709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1859.

The product of its (nonzero) digits is 105840, while the sum is 43.

The square root of 105768709 is about 10284.3915230800. The cubic root of 105768709 is about 472.9178804586.

The spelling of 105768709 in words is "one hundred five million, seven hundred sixty-eight thousand, seven hundred nine".