90273344 has 56 divisors (see below), whose sum is σ = 213652608. Its totient is φ = 37002240.

The previous prime is 90273343. The next prime is 90273347. The reversal of 90273344 is 44337209.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 90273344.

It is not an unprimeable number, because it can be changed into a prime (90273343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5924 + ... + 14684.

Almost surely, 2^90273344 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 90273344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106826304).

90273344 is an abundant number, since it is smaller than the sum of its proper divisors (123379264).

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

90273344 is a wasteful number, since it uses less digits than its factorization.

90273344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8803 (or 8793 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 90273344 is about 9501.2285521400. The cubic root of 90273344 is about 448.5937068967.

The spelling of 90273344 in words is "ninety million, two hundred seventy-three thousand, three hundred forty-four".