736740691 has 2 divisors, whose sum is σ = 736740692. Its totient is φ = 736740690.

The previous prime is 736740661. The next prime is 736740709. The reversal of 736740691 is 196047637.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 736740691 - 2²³ = 728352083 is a prime.

It is not a weakly prime, because it can be changed into another prime (736740661) 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, 368370345 + 368370346.

It is an arithmetic number, because the mean of its divisors is an integer number (368370346).

Almost surely, 2^736740691 is an apocalyptic number.

736740691 is a deficient number, since it is larger than the sum of its proper divisors (1).

736740691 is an equidigital number, since it uses as much as digits as its factorization.

736740691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 190512, while the sum is 43.

The square root of 736740691 is about 27142.9676159406. The cubic root of 736740691 is about 903.1742609050.

The spelling of 736740691 in words is "seven hundred thirty-six million, seven hundred forty thousand, six hundred ninety-one".