74138303 has 2 divisors, whose sum is σ = 74138304. Its totient is φ = 74138302.

The previous prime is 74138287. The next prime is 74138333. The reversal of 74138303 is 30383147.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 74138303 - 2⁴ = 74138287 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74138333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37069151 + 37069152.

It is an arithmetic number, because the mean of its divisors is an integer number (37069152).

Almost surely, 2^74138303 is an apocalyptic number.

74138303 is a deficient number, since it is larger than the sum of its proper divisors (1).

74138303 is an equidigital number, since it uses as much as digits as its factorization.

74138303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 74138303 is about 8610.3602131386. The cubic root of 74138303 is about 420.0950332949.

The spelling of 74138303 in words is "seventy-four million, one hundred thirty-eight thousand, three hundred three".