736873493 has 2 divisors, whose sum is σ = 736873494. Its totient is φ = 736873492.

The previous prime is 736873457. The next prime is 736873519. The reversal of 736873493 is 394378637.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 736742449 + 131044 = 27143^2 + 362^2 .

It is an emirp because it is prime and its reverse (394378637) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 736873493 - 2¹⁰ = 736872469 is a prime.

It is a super-3 number, since 3×736873493³ (a number of 28 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (736873693) 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, 368436746 + 368436747.

It is an arithmetic number, because the mean of its divisors is an integer number (368436747).

Almost surely, 2^736873493 is an apocalyptic number.

It is an amenable number.

736873493 is a deficient number, since it is larger than the sum of its proper divisors (1).

736873493 is an equidigital number, since it uses as much as digits as its factorization.

736873493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2286144, while the sum is 50.

The square root of 736873493 is about 27145.4138483833. The cubic root of 736873493 is about 903.2285251998.

The spelling of 736873493 in words is "seven hundred thirty-six million, eight hundred seventy-three thousand, four hundred ninety-three".