90370568 has 12 divisors (see below), whose sum is σ = 169495245. Its totient is φ = 45171840.

The previous prime is 90370561. The next prime is 90370619. The reversal of 90370568 is 86507309.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 84309124 + 6061444 = 9182^2 + 2462^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=6722.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90370561) 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 2 ways as a sum of consecutive naturals, for example, 25208 + ... + 28568.

Almost surely, 2^90370568 is an apocalyptic number.

It is an amenable number.

90370568 is a deficient number, since it is larger than the sum of its proper divisors (79124677).

90370568 is an frugal number, since it uses more digits than its factorization.

90370568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6728 (or 3363 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 90370568 is about 9506.3435662719. The cubic root of 90370568 is about 448.7546936089.

The spelling of 90370568 in words is "ninety million, three hundred seventy thousand, five hundred sixty-eight".