40034347 has 2 divisors, whose sum is σ = 40034348. Its totient is φ = 40034346.

The previous prime is 40034339. The next prime is 40034359. The reversal of 40034347 is 74343004.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40034347 - 2³ = 40034339 is a prime.

It is not a weakly prime, because it can be changed into another prime (40034317) 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 as a sum of consecutive naturals, namely, 20017173 + 20017174.

It is an arithmetic number, because the mean of its divisors is an integer number (20017174).

Almost surely, 2^40034347 is an apocalyptic number.

40034347 is a deficient number, since it is larger than the sum of its proper divisors (1).

40034347 is an equidigital number, since it uses as much as digits as its factorization.

40034347 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 25.

The square root of 40034347 is about 6327.2701064519. The cubic root of 40034347 is about 342.0930489039.

The spelling of 40034347 in words is "forty million, thirty-four thousand, three hundred forty-seven".