73973903 has 2 divisors, whose sum is σ = 73973904. Its totient is φ = 73973902.

The previous prime is 73973899. The next prime is 73973923. The reversal of 73973903 is 30937937.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 73973903 - 2² = 73973899 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73973923) 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, 36986951 + 36986952.

It is an arithmetic number, because the mean of its divisors is an integer number (36986952).

Almost surely, 2^73973903 is an apocalyptic number.

73973903 is a deficient number, since it is larger than the sum of its proper divisors (1).

73973903 is an equidigital number, since it uses as much as digits as its factorization.

73973903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 107163, while the sum is 41.

The square root of 73973903 is about 8600.8082759703. The cubic root of 73973903 is about 419.7842864310.

The spelling of 73973903 in words is "seventy-three million, nine hundred seventy-three thousand, nine hundred three".