761746091 has 2 divisors, whose sum is σ = 761746092. Its totient is φ = 761746090.

The previous prime is 761746057. The next prime is 761746123. The reversal of 761746091 is 190647167.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-761746091 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (761746001) 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, 380873045 + 380873046.

It is an arithmetic number, because the mean of its divisors is an integer number (380873046).

Almost surely, 2^761746091 is an apocalyptic number.

761746091 is a deficient number, since it is larger than the sum of its proper divisors (1).

761746091 is an equidigital number, since it uses as much as digits as its factorization.

761746091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63504, while the sum is 41.

The square root of 761746091 is about 27599.7480242121. The cubic root of 761746091 is about 913.2788735206.

The spelling of 761746091 in words is "seven hundred sixty-one million, seven hundred forty-six thousand, ninety-one".