90730200 has 192 divisors, whose sum is σ = 313372800. Its totient is φ = 21529600.

The previous prime is 90730177. The next prime is 90730217. The reversal of 90730200 is 203709.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 389284 + ... + 389516.

It is an arithmetic number, because the mean of its divisors is an integer number (1632150).

Almost surely, 2^90730200 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 90730200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156686400).

90730200 is an abundant number, since it is smaller than the sum of its proper divisors (222642600).

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

90730200 is a wasteful number, since it uses less digits than its factorization.

90730200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322 (or 313 counting only the distinct ones).

The product of its (nonzero) digits is 378, while the sum is 21.

The square root of 90730200 is about 9525.2401544528. The cubic root of 90730200 is about 449.3491826590.

Adding to 90730200 its reverse (203709), we get a palindrome (90933909).

The spelling of 90730200 in words is "ninety million, seven hundred thirty thousand, two hundred".