730745203 has 2 divisors, whose sum is σ = 730745204. Its totient is φ = 730745202.

The previous prime is 730745189. The next prime is 730745207. The reversal of 730745203 is 302547037.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 730745203 - 2⁹ = 730744691 is a prime.

It is a super-2 number, since 2×730745203² = 1067977103415022418, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (730745207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 365372601 + 365372602.

It is an arithmetic number, because the mean of its divisors is an integer number (365372602).

Almost surely, 2^730745203 is an apocalyptic number.

730745203 is a deficient number, since it is larger than the sum of its proper divisors (1).

730745203 is an equidigital number, since it uses as much as digits as its factorization.

730745203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17640, while the sum is 31.

The square root of 730745203 is about 27032.2992547804. The cubic root of 730745203 is about 900.7176181875.

The spelling of 730745203 in words is "seven hundred thirty million, seven hundred forty-five thousand, two hundred three".