40034207 has 2 divisors, whose sum is σ = 40034208. Its totient is φ = 40034206.

The previous prime is 40034179. The next prime is 40034209. The reversal of 40034207 is 70243004.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40034207 - 2⁸ = 40033951 is a prime.

Together with 40034209, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40034209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20017103 + 20017104.

It is an arithmetic number, because the mean of its divisors is an integer number (20017104).

Almost surely, 2^40034207 is an apocalyptic number.

40034207 is a deficient number, since it is larger than the sum of its proper divisors (1).

40034207 is an equidigital number, since it uses as much as digits as its factorization.

40034207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 40034207 is about 6327.2590432193. The cubic root of 40034207 is about 342.0926501373.

The spelling of 40034207 in words is "forty million, thirty-four thousand, two hundred seven".