40068717 has 12 divisors (see below), whose sum is σ = 57851424. Its totient is φ = 24657360.

The previous prime is 40068713. The next prime is 40068773. The reversal of 40068717 is 71786004.

It is not a de Polignac number, because 40068717 - 2² = 40068713 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40068713) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39009 + ... + 40022.

It is an arithmetic number, because the mean of its divisors is an integer number (4820952).

Almost surely, 2^40068717 is an apocalyptic number.

It is an amenable number.

40068717 is a deficient number, since it is larger than the sum of its proper divisors (17782707).

40068717 is a wasteful number, since it uses less digits than its factorization.

40068717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79060 (or 79047 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 40068717 is about 6329.9855450072. The cubic root of 40068717 is about 342.1909179909.

The spelling of 40068717 in words is "forty million, sixty-eight thousand, seven hundred seventeen".