39742303 has 2 divisors, whose sum is σ = 39742304. Its totient is φ = 39742302.

The previous prime is 39742289. The next prime is 39742331. The reversal of 39742303 is 30324793.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 39742303 - 2⁵ = 39742271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39742333) 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, 19871151 + 19871152.

It is an arithmetic number, because the mean of its divisors is an integer number (19871152).

Almost surely, 2^39742303 is an apocalyptic number.

39742303 is a deficient number, since it is larger than the sum of its proper divisors (1).

39742303 is an equidigital number, since it uses as much as digits as its factorization.

39742303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 31.

The square root of 39742303 is about 6304.1496651016. The cubic root of 39742303 is about 341.2591803852.

The spelling of 39742303 in words is "thirty-nine million, seven hundred forty-two thousand, three hundred three".