90472200 has 192 divisors, whose sum is σ = 345394560. Its totient is φ = 19077120.

The previous prime is 90472183. The next prime is 90472223. The reversal of 90472200 is 227409.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 53772 + ... + 55428.

It is an arithmetic number, because the mean of its divisors is an integer number (1798930).

Almost surely, 2^90472200 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 90472200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172697280).

90472200 is an abundant number, since it is smaller than the sum of its proper divisors (254922360).

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

90472200 is a wasteful number, since it uses less digits than its factorization.

90472200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1696 (or 1687 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 90472200 is about 9511.6875474334. The cubic root of 90472200 is about 448.9228558459.

Adding to 90472200 its reverse (227409), we get a palindrome (90699609).

The spelling of 90472200 in words is "ninety million, four hundred seventy-two thousand, two hundred".