730073503 has 2 divisors, whose sum is σ = 730073504. Its totient is φ = 730073502.

The previous prime is 730073501. The next prime is 730073527. The reversal of 730073503 is 305370037.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 730073503 - 2¹ = 730073501 is a prime.

Together with 730073501, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (730073501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 365036751 + 365036752.

It is an arithmetic number, because the mean of its divisors is an integer number (365036752).

Almost surely, 2^730073503 is an apocalyptic number.

730073503 is a deficient number, since it is larger than the sum of its proper divisors (1).

730073503 is an equidigital number, since it uses as much as digits as its factorization.

730073503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6615, while the sum is 28.

The square root of 730073503 is about 27019.8723720154. The cubic root of 730073503 is about 900.4415541131.

The spelling of 730073503 in words is "seven hundred thirty million, seventy-three thousand, five hundred three".