10040705 has 4 divisors (see below), whose sum is σ = 12048852. Its totient is φ = 8032560.

The previous prime is 10040689. The next prime is 10040707. The reversal of 10040705 is 50704001.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3301489 + 6739216 = 1817^2 + 2596^2 .

It is not a de Polignac number, because 10040705 - 2⁴ = 10040689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10040707) 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, 1004066 + ... + 1004075.

It is an arithmetic number, because the mean of its divisors is an integer number (3012213).

Almost surely, 2^10040705 is an apocalyptic number.

It is an amenable number.

10040705 is a deficient number, since it is larger than the sum of its proper divisors (2008147).

10040705 is an equidigital number, since it uses as much as digits as its factorization.

10040705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2008146.

The product of its (nonzero) digits is 140, while the sum is 17.

The square root of 10040705 is about 3168.7071496117. The cubic root of 10040705 is about 215.7353941472.

Adding to 10040705 its reverse (50704001), we get a palindrome (60744706).

The spelling of 10040705 in words is "ten million, forty thousand, seven hundred five".