90733033 has 2 divisors, whose sum is σ = 90733034. Its totient is φ = 90733032.

The previous prime is 90733021. The next prime is 90733039. The reversal of 90733033 is 33033709.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86620249 + 4112784 = 9307^2 + 2028^2 .

It is an emirp because it is prime and its reverse (33033709) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 90733033 - 2¹⁷ = 90601961 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 90732992 and 90733010.

It is not a weakly prime, because it can be changed into another prime (90733039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45366516 + 45366517.

It is an arithmetic number, because the mean of its divisors is an integer number (45366517).

Almost surely, 2^90733033 is an apocalyptic number.

It is an amenable number.

90733033 is a deficient number, since it is larger than the sum of its proper divisors (1).

90733033 is an equidigital number, since it uses as much as digits as its factorization.

90733033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5103, while the sum is 28.

The square root of 90733033 is about 9525.3888634533. The cubic root of 90733033 is about 449.3538595030.

The spelling of 90733033 in words is "ninety million, seven hundred thirty-three thousand, thirty-three".