10005766 has 4 divisors (see below), whose sum is σ = 15008652. Its totient is φ = 5002882.

The previous prime is 10005731. The next prime is 10005773. The reversal of 10005766 is 66750001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66750001 = 839 ⋅79559.

It is a self number, because there is not a number n which added to its sum of digits gives 10005766.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2501440 + ... + 2501443.

It is an arithmetic number, because the mean of its divisors is an integer number (3752163).

Almost surely, 2^10005766 is an apocalyptic number.

10005766 is a deficient number, since it is larger than the sum of its proper divisors (5002886).

10005766 is an equidigital number, since it uses as much as digits as its factorization.

10005766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5002885.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 10005766 is about 3163.1892134363. The cubic root of 10005766 is about 215.4848692818.

Adding to 10005766 its reverse (66750001), we get a palindrome (76755767).

The spelling of 10005766 in words is "ten million, five thousand, seven hundred sixty-six".