730745069 has 2 divisors, whose sum is σ = 730745070. Its totient is φ = 730745068.

The previous prime is 730745033. The next prime is 730745087. The reversal of 730745069 is 960547037.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 715830025 + 14915044 = 26755^2 + 3862^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-730745069 is a prime.

It is a super-2 number, since 2×730745069² = 1067976711735629522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (730745369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 365372534 + 365372535.

It is an arithmetic number, because the mean of its divisors is an integer number (365372535).

Almost surely, 2^730745069 is an apocalyptic number.

It is an amenable number.

730745069 is a deficient number, since it is larger than the sum of its proper divisors (1).

730745069 is an equidigital number, since it uses as much as digits as its factorization.

730745069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 158760, while the sum is 41.

The square root of 730745069 is about 27032.2967762638. The cubic root of 730745069 is about 900.7175631313.

The spelling of 730745069 in words is "seven hundred thirty million, seven hundred forty-five thousand, sixty-nine".