73385503 has 2 divisors, whose sum is σ = 73385504. Its totient is φ = 73385502.

The previous prime is 73385497. The next prime is 73385519. The reversal of 73385503 is 30558337.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73385503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73385593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36692751 + 36692752.

It is an arithmetic number, because the mean of its divisors is an integer number (36692752).

Almost surely, 2^73385503 is an apocalyptic number.

73385503 is a deficient number, since it is larger than the sum of its proper divisors (1).

73385503 is an equidigital number, since it uses as much as digits as its factorization.

73385503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37800, while the sum is 34.

The square root of 73385503 is about 8566.5338965068. The cubic root of 73385503 is about 418.6683123349.

The spelling of 73385503 in words is "seventy-three million, three hundred eighty-five thousand, five hundred three".