90089743 has 2 divisors, whose sum is σ = 90089744. Its totient is φ = 90089742.

The previous prime is 90089729. The next prime is 90089759. The reversal of 90089743 is 34798009.

It is a weak prime.

It is an emirp because it is prime and its reverse (34798009) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90089743 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 90089696 and 90089705.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90089723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45044871 + 45044872.

It is an arithmetic number, because the mean of its divisors is an integer number (45044872).

Almost surely, 2^90089743 is an apocalyptic number.

90089743 is a deficient number, since it is larger than the sum of its proper divisors (1).

90089743 is an equidigital number, since it uses as much as digits as its factorization.

90089743 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 90089743 is about 9491.5616734023. The cubic root of 90089743 is about 448.2893787686.

The spelling of 90089743 in words is "ninety million, eighty-nine thousand, seven hundred forty-three".