73242503 has 2 divisors, whose sum is σ = 73242504. Its totient is φ = 73242502.

The previous prime is 73242467. The next prime is 73242527. The reversal of 73242503 is 30524237.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73242503 is a prime.

It is a plaindrome in base 13.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73242563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36621251 + 36621252.

It is an arithmetic number, because the mean of its divisors is an integer number (36621252).

Almost surely, 2^73242503 is an apocalyptic number.

73242503 is a deficient number, since it is larger than the sum of its proper divisors (1).

73242503 is an equidigital number, since it uses as much as digits as its factorization.

73242503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 26.

The square root of 73242503 is about 8558.1833936882. The cubic root of 73242503 is about 418.3961945645.

The spelling of 73242503 in words is "seventy-three million, two hundred forty-two thousand, five hundred three".