40766727 has 16 divisors (see below), whose sum is σ = 55488512. Its totient is φ = 26615520.

The previous prime is 40766707. The next prime is 40766729. The reversal of 40766727 is 72766704.

It is a happy number.

It is not a de Polignac number, because 40766727 - 2⁷ = 40766599 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40766729) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66858 + ... + 67464.

It is an arithmetic number, because the mean of its divisors is an integer number (3468032).

Almost surely, 2^40766727 is an apocalyptic number.

40766727 is a deficient number, since it is larger than the sum of its proper divisors (14721785).

40766727 is a wasteful number, since it uses less digits than its factorization.

40766727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1038.

The product of its (nonzero) digits is 98784, while the sum is 39.

The square root of 40766727 is about 6384.8826927360. The cubic root of 40766727 is about 344.1665156296.

The spelling of 40766727 in words is "forty million, seven hundred sixty-six thousand, seven hundred twenty-seven".