91694761 has 2 divisors, whose sum is σ = 91694762. Its totient is φ = 91694760.

The previous prime is 91694699. The next prime is 91694783. The reversal of 91694761 is 16749619.

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., 82355625 + 9339136 = 9075^2 + 3056^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-91694761 is a prime.

It is not a weakly prime, because it can be changed into another prime (91697761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45847380 + 45847381.

It is an arithmetic number, because the mean of its divisors is an integer number (45847381).

Almost surely, 2^91694761 is an apocalyptic number.

It is an amenable number.

91694761 is a deficient number, since it is larger than the sum of its proper divisors (1).

91694761 is an equidigital number, since it uses as much as digits as its factorization.

91694761 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81648, while the sum is 43.

The square root of 91694761 is about 9575.7381438717. The cubic root of 91694761 is about 450.9359302499.

The spelling of 91694761 in words is "ninety-one million, six hundred ninety-four thousand, seven hundred sixty-one".