90362773 has 2 divisors, whose sum is σ = 90362774. Its totient is φ = 90362772.

The previous prime is 90362771. The next prime is 90362819. The reversal of 90362773 is 37726309.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77845329 + 12517444 = 8823^2 + 3538^2 .

It is a cyclic number.

It is not a de Polignac number, because 90362773 - 2¹ = 90362771 is a prime.

Together with 90362771, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90362771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45181386 + 45181387.

It is an arithmetic number, because the mean of its divisors is an integer number (45181387).

Almost surely, 2^90362773 is an apocalyptic number.

It is an amenable number.

90362773 is a deficient number, since it is larger than the sum of its proper divisors (1).

90362773 is an equidigital number, since it uses as much as digits as its factorization.

90362773 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47628, while the sum is 37.

The square root of 90362773 is about 9505.9335680405. The cubic root of 90362773 is about 448.7417906491.

The spelling of 90362773 in words is "ninety million, three hundred sixty-two thousand, seven hundred seventy-three".