40006759 has 4 divisors (see below), whose sum is σ = 43084216. Its totient is φ = 36929304.

The previous prime is 40006751. The next prime is 40006781. The reversal of 40006759 is 95760004.

40006759 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 is a cyclic number.

It is not a de Polignac number, because 40006759 - 2³ = 40006751 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40006759.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40006751) by changing a digit.

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, 1538709 + ... + 1538734.

It is an arithmetic number, because the mean of its divisors is an integer number (10771054).

Almost surely, 2^40006759 is an apocalyptic number.

40006759 is a deficient number, since it is larger than the sum of its proper divisors (3077457).

40006759 is a wasteful number, since it uses less digits than its factorization.

40006759 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3077456.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 40006759 is about 6325.0896436335. The cubic root of 40006759 is about 342.0144511295.

The spelling of 40006759 in words is "forty million, six thousand, seven hundred fifty-nine".