736091761 has 2 divisors, whose sum is σ = 736091762. Its totient is φ = 736091760.

The previous prime is 736091723. The next prime is 736091779. The reversal of 736091761 is 167190637.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 654080625 + 82011136 = 25575^2 + 9056^2 .

It is a cyclic number.

It is not a de Polignac number, because 736091761 - 2¹¹ = 736089713 is a prime.

It is a super-2 number, since 2×736091761² = 1083662161224162242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (736098761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 368045880 + 368045881.

It is an arithmetic number, because the mean of its divisors is an integer number (368045881).

Almost surely, 2^736091761 is an apocalyptic number.

It is an amenable number.

736091761 is a deficient number, since it is larger than the sum of its proper divisors (1).

736091761 is an equidigital number, since it uses as much as digits as its factorization.

736091761 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47628, while the sum is 40.

The square root of 736091761 is about 27131.0110574597. The cubic root of 736091761 is about 902.9090074516.

The spelling of 736091761 in words is "seven hundred thirty-six million, ninety-one thousand, seven hundred sixty-one".