90576128 has 18 divisors (see below), whose sum is σ = 180798954. Its totient is φ = 45287936.

The previous prime is 90576127. The next prime is 90576149. The reversal of 90576128 is 82167509.

It can be written as a sum of positive squares in only one way, i.e., 87011584 + 3564544 = 9328^2 + 1888^2 .

It is a junction number, because it is equal to n+sod(n) for n = 90576091 and 90576100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90576121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 176651 + ... + 177162.

Almost surely, 2^90576128 is an apocalyptic number.

It is an amenable number.

90576128 is a deficient number, since it is larger than the sum of its proper divisors (90222826).

90576128 is an equidigital number, since it uses as much as digits as its factorization.

90576128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353829 (or 353815 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 90576128 is about 9517.1491529764. The cubic root of 90576128 is about 449.0946869021.

The spelling of 90576128 in words is "ninety million, five hundred seventy-six thousand, one hundred twenty-eight".