90746633 has 2 divisors, whose sum is σ = 90746634. Its totient is φ = 90746632.

The previous prime is 90746599. The next prime is 90746651. The reversal of 90746633 is 33664709.

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., 90402064 + 344569 = 9508^2 + 587^2 .

It is a cyclic number.

It is not a de Polignac number, because 90746633 - 2²⁰ = 89698057 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (90746683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45373316 + 45373317.

It is an arithmetic number, because the mean of its divisors is an integer number (45373317).

Almost surely, 2^90746633 is an apocalyptic number.

It is an amenable number.

90746633 is a deficient number, since it is larger than the sum of its proper divisors (1).

90746633 is an equidigital number, since it uses as much as digits as its factorization.

90746633 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81648, while the sum is 38.

The square root of 90746633 is about 9526.1027183209. The cubic root of 90746633 is about 449.3763096404.

The spelling of 90746633 in words is "ninety million, seven hundred forty-six thousand, six hundred thirty-three".