735780673 has 2 divisors, whose sum is σ = 735780674. Its totient is φ = 735780672.

The previous prime is 735780659. The next prime is 735780677. The reversal of 735780673 is 376087537.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 546250384 + 189530289 = 23372^2 + 13767^2 .

It is a cyclic number.

It is not a de Polignac number, because 735780673 - 2⁹ = 735780161 is a prime.

It is not a weakly prime, because it can be changed into another prime (735780677) 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, 367890336 + 367890337.

It is an arithmetic number, because the mean of its divisors is an integer number (367890337).

Almost surely, 2^735780673 is an apocalyptic number.

It is an amenable number.

735780673 is a deficient number, since it is larger than the sum of its proper divisors (1).

735780673 is an equidigital number, since it uses as much as digits as its factorization.

735780673 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 740880, while the sum is 46.

The square root of 735780673 is about 27125.2773810702. The cubic root of 735780673 is about 902.7817933592.

The spelling of 735780673 in words is "seven hundred thirty-five million, seven hundred eighty thousand, six hundred seventy-three".