730651601 has 2 divisors, whose sum is σ = 730651602. Its totient is φ = 730651600.

The previous prime is 730651567. The next prime is 730651637. The reversal of 730651601 is 106156037.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 446223376 + 284428225 = 21124^2 + 16865^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-730651601 is a prime.

It is not a weakly prime, because it can be changed into another prime (730651001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 365325800 + 365325801.

It is an arithmetic number, because the mean of its divisors is an integer number (365325801).

Almost surely, 2^730651601 is an apocalyptic number.

It is an amenable number.

730651601 is a deficient number, since it is larger than the sum of its proper divisors (1).

730651601 is an equidigital number, since it uses as much as digits as its factorization.

730651601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 730651601 is about 27030.5679000645. The cubic root of 730651601 is about 900.6791585574.

The spelling of 730651601 in words is "seven hundred thirty million, six hundred fifty-one thousand, six hundred one".