73971203 has 2 divisors, whose sum is σ = 73971204. Its totient is φ = 73971202.

The previous prime is 73971173. The next prime is 73971221. The reversal of 73971203 is 30217937.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 73971203 - 2⁸ = 73970947 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 73971203.

It is not a weakly prime, because it can be changed into another prime (73971263) 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, 36985601 + 36985602.

It is an arithmetic number, because the mean of its divisors is an integer number (36985602).

Almost surely, 2^73971203 is an apocalyptic number.

73971203 is a deficient number, since it is larger than the sum of its proper divisors (1).

73971203 is an equidigital number, since it uses as much as digits as its factorization.

73971203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7938, while the sum is 32.

The square root of 73971203 is about 8600.6513125460. The cubic root of 73971203 is about 419.7791790831.

The spelling of 73971203 in words is "seventy-three million, nine hundred seventy-one thousand, two hundred three".