90065754 has 12 divisors (see below), whose sum is σ = 195142506. Its totient is φ = 30021912.

The previous prime is 90065753. The next prime is 90065777. The reversal of 90065754 is 45756009.

It can be written as a sum of positive squares in only one way, i.e., 89019225 + 1046529 = 9435^2 + 1023^2 .

It is a super-2 number, since 2×90065754² = 16223680087177032, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (90065753) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2501809 + ... + 2501844.

Almost surely, 2^90065754 is an apocalyptic number.

90065754 is an abundant number, since it is smaller than the sum of its proper divisors (105076752).

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

90065754 is a wasteful number, since it uses less digits than its factorization.

90065754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5003661 (or 5003658 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 90065754 is about 9490.2978878431. The cubic root of 90065754 is about 448.2495852316.

The spelling of 90065754 in words is "ninety million, sixty-five thousand, seven hundred fifty-four".