91706633 has 2 divisors, whose sum is σ = 91706634. Its totient is φ = 91706632.

The previous prime is 91706611. The next prime is 91706663. The reversal of 91706633 is 33660719.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82391929 + 9314704 = 9077^2 + 3052^2 .

It is a cyclic number.

It is not a de Polignac number, because 91706633 - 2⁶ = 91706569 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 91706593 and 91706602.

It is not a weakly prime, because it can be changed into another prime (91706663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45853316 + 45853317.

It is an arithmetic number, because the mean of its divisors is an integer number (45853317).

Almost surely, 2^91706633 is an apocalyptic number.

It is an amenable number.

91706633 is a deficient number, since it is larger than the sum of its proper divisors (1).

91706633 is an equidigital number, since it uses as much as digits as its factorization.

91706633 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20412, while the sum is 35.

The square root of 91706633 is about 9576.3580238001. The cubic root of 91706633 is about 450.9553907595.

The spelling of 91706633 in words is "ninety-one million, seven hundred six thousand, six hundred thirty-three".