730527761 has 2 divisors, whose sum is σ = 730527762. Its totient is φ = 730527760.

The previous prime is 730527739. The next prime is 730527767. The reversal of 730527761 is 167725037.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 374035600 + 356492161 = 19340^2 + 18881^2 .

It is a cyclic number.

It is not a de Polignac number, because 730527761 - 2⁶ = 730527697 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (730527767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 365263880 + 365263881.

It is an arithmetic number, because the mean of its divisors is an integer number (365263881).

Almost surely, 2^730527761 is an apocalyptic number.

It is an amenable number.

730527761 is a deficient number, since it is larger than the sum of its proper divisors (1).

730527761 is an equidigital number, since it uses as much as digits as its factorization.

730527761 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 61740, while the sum is 38.

The square root of 730527761 is about 27028.2770631056. The cubic root of 730527761 is about 900.6282695477.

The spelling of 730527761 in words is "seven hundred thirty million, five hundred twenty-seven thousand, seven hundred sixty-one".