40235747 has 2 divisors, whose sum is σ = 40235748. Its totient is φ = 40235746.

The previous prime is 40235729. The next prime is 40235779. The reversal of 40235747 is 74753204.

It is an a-pointer prime, because the next prime (40235779) can be obtained adding 40235747 to its sum of digits (32).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40235747 - 2⁶ = 40235683 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (40235707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20117873 + 20117874.

It is an arithmetic number, because the mean of its divisors is an integer number (20117874).

Almost surely, 2^40235747 is an apocalyptic number.

40235747 is a deficient number, since it is larger than the sum of its proper divisors (1).

40235747 is an equidigital number, since it uses as much as digits as its factorization.

40235747 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23520, while the sum is 32.

The square root of 40235747 is about 6343.1653770022. The cubic root of 40235747 is about 342.6657432126.

The spelling of 40235747 in words is "forty million, two hundred thirty-five thousand, seven hundred forty-seven".