727616693 has 2 divisors, whose sum is σ = 727616694. Its totient is φ = 727616692.

The previous prime is 727616689. The next prime is 727616719. The reversal of 727616693 is 396616727.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 574896529 + 152720164 = 23977^2 + 12358^2 .

It is a cyclic number.

It is not a de Polignac number, because 727616693 - 2² = 727616689 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (727616633) 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, 363808346 + 363808347.

It is an arithmetic number, because the mean of its divisors is an integer number (363808347).

Almost surely, 2^727616693 is an apocalyptic number.

It is an amenable number.

727616693 is a deficient number, since it is larger than the sum of its proper divisors (1).

727616693 is an equidigital number, since it uses as much as digits as its factorization.

727616693 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 571536, while the sum is 47.

The square root of 727616693 is about 26974.3710399334. The cubic root of 727616693 is about 899.4303774140.

The spelling of 727616693 in words is "seven hundred twenty-seven million, six hundred sixteen thousand, six hundred ninety-three".