90543068 has 48 divisors (see below), whose sum is σ = 200304384. Its totient is φ = 34784640.

The previous prime is 90543067. The next prime is 90543083. The reversal of 90543068 is 86034509.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90543067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20471 + ... + 24497.

It is an arithmetic number, because the mean of its divisors is an integer number (4173008).

Almost surely, 2^90543068 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90543068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100152192).

90543068 is an abundant number, since it is smaller than the sum of its proper divisors (109761316).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90543068 is a wasteful number, since it uses less digits than its factorization.

90543068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4122 (or 4120 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 90543068 is about 9515.4121298029. The cubic root of 90543068 is about 449.0400408734.

The spelling of 90543068 in words is "ninety million, five hundred forty-three thousand, sixty-eight".