40707305 has 4 divisors (see below), whose sum is σ = 48848772. Its totient is φ = 32565840.

The previous prime is 40707239. The next prime is 40707341. The reversal of 40707305 is 50370704.

40707305 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 20313049 + 20394256 = 4507^2 + 4516^2 .

It is a de Polignac number, because none of the positive numbers 2^k-40707305 is a prime.

It is a Duffinian number.

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 in 3 ways as a sum of consecutive naturals, for example, 4070726 + ... + 4070735.

It is an arithmetic number, because the mean of its divisors is an integer number (12212193).

Almost surely, 2^40707305 is an apocalyptic number.

It is an amenable number.

40707305 is a deficient number, since it is larger than the sum of its proper divisors (8141467).

40707305 is an equidigital number, since it uses as much as digits as its factorization.

40707305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8141466.

The product of its (nonzero) digits is 2940, while the sum is 26.

The square root of 40707305 is about 6380.2276605149. The cubic root of 40707305 is about 343.9992141004. Note that the first 3 decimals are identical.

The spelling of 40707305 in words is "forty million, seven hundred seven thousand, three hundred five".