90047536 has 40 divisors (see below), whose sum is σ = 185057600. Its totient is φ = 42327360.

The previous prime is 90047533. The next prime is 90047549. The reversal of 90047536 is 63574009.

It is not an unprimeable number, because it can be changed into a prime (90047533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41191 + ... + 43321.

It is an arithmetic number, because the mean of its divisors is an integer number (4626440).

Almost surely, 2^90047536 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 90047536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92528800).

90047536 is an abundant number, since it is smaller than the sum of its proper divisors (95010064).

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

90047536 is a wasteful number, since it uses less digits than its factorization.

90047536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2297 (or 2291 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 90047536 is about 9489.3380169536. The cubic root of 90047536 is about 448.2193600489.

The spelling of 90047536 in words is "ninety million, forty-seven thousand, five hundred thirty-six".