40427717 has 16 divisors (see below), whose sum is σ = 47967552. Its totient is φ = 33649920.

The previous prime is 40427713. The next prime is 40427719. The reversal of 40427717 is 71772404.

It is a cyclic number.

It is not a de Polignac number, because 40427717 - 2² = 40427713 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40427713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3998 + ... + 9840.

It is an arithmetic number, because the mean of its divisors is an integer number (2997972).

Almost surely, 2^40427717 is an apocalyptic number.

It is an amenable number.

40427717 is a deficient number, since it is larger than the sum of its proper divisors (7539835).

40427717 is a wasteful number, since it uses less digits than its factorization.

40427717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5908.

The product of its (nonzero) digits is 10976, while the sum is 32.

The square root of 40427717 is about 6358.2794056254. The cubic root of 40427717 is about 343.2098464591.

The spelling of 40427717 in words is "forty million, four hundred twenty-seven thousand, seven hundred seventeen".