10768781 has 4 divisors (see below), whose sum is σ = 10997952. Its totient is φ = 10539612.

The previous prime is 10768717. The next prime is 10768799. The reversal of 10768781 is 18786701.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10768781 - 2⁶ = 10768717 is a prime.

It is a super-2 number, since 2×10768781² = 231933288451922, 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 (10768981) 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, 114515 + ... + 114608.

It is an arithmetic number, because the mean of its divisors is an integer number (2749488).

Almost surely, 2^10768781 is an apocalyptic number.

It is an amenable number.

10768781 is a deficient number, since it is larger than the sum of its proper divisors (229171).

10768781 is an equidigital number, since it uses as much as digits as its factorization.

10768781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229170.

The product of its (nonzero) digits is 18816, while the sum is 38.

The square root of 10768781 is about 3281.5820879570. The cubic root of 10768781 is about 220.8286995903.

The spelling of 10768781 in words is "ten million, seven hundred sixty-eight thousand, seven hundred eighty-one".