40207713 has 32 divisors (see below), whose sum is σ = 68124672. Its totient is φ = 20520000.

The previous prime is 40207697. The next prime is 40207721. The reversal of 40207713 is 31770204.

It is not a de Polignac number, because 40207713 - 2⁴ = 40207697 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40207753) 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 31 ways as a sum of consecutive naturals, for example, 6088 + ... + 10838.

It is an arithmetic number, because the mean of its divisors is an integer number (2128896).

Almost surely, 2^40207713 is an apocalyptic number.

It is an amenable number.

40207713 is a deficient number, since it is larger than the sum of its proper divisors (27916959).

40207713 is a wasteful number, since it uses less digits than its factorization.

40207713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4805.

The product of its (nonzero) digits is 1176, while the sum is 24.

The square root of 40207713 is about 6340.9552119535. The cubic root of 40207713 is about 342.5861413323.

Adding to 40207713 its reverse (31770204), we get a palindrome (71977917).

The spelling of 40207713 in words is "forty million, two hundred seven thousand, seven hundred thirteen".