730353649 has 2 divisors, whose sum is σ = 730353650. Its totient is φ = 730353648.

The previous prime is 730353607. The next prime is 730353653. The reversal of 730353649 is 946353037.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 544522225 + 185831424 = 23335^2 + 13632^2 .

It is a cyclic number.

It is not a de Polignac number, because 730353649 - 2¹³ = 730345457 is a prime.

It is not a weakly prime, because it can be changed into another prime (730351649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 365176824 + 365176825.

It is an arithmetic number, because the mean of its divisors is an integer number (365176825).

Almost surely, 2^730353649 is an apocalyptic number.

It is an amenable number.

730353649 is a deficient number, since it is larger than the sum of its proper divisors (1).

730353649 is an equidigital number, since it uses as much as digits as its factorization.

730353649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 204120, while the sum is 40.

The square root of 730353649 is about 27025.0559481382. The cubic root of 730353649 is about 900.5567127650.

The spelling of 730353649 in words is "seven hundred thirty million, three hundred fifty-three thousand, six hundred forty-nine".