90975080 has 128 divisors (see below), whose sum is σ = 247726080. Its totient is φ = 29410560.

The previous prime is 90975067. The next prime is 90975089. The reversal of 90975080 is 8057909.

It is not an unprimeable number, because it can be changed into a prime (90975089) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 407849 + ... + 408071.

It is an arithmetic number, because the mean of its divisors is an integer number (1935360).

Almost surely, 2^90975080 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 90975080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123863040).

90975080 is an abundant number, since it is smaller than the sum of its proper divisors (156751000).

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

90975080 is a wasteful number, since it uses less digits than its factorization.

90975080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319 (or 315 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 38.

The square root of 90975080 is about 9538.0857618287. The cubic root of 90975080 is about 449.7530826469.

The spelling of 90975080 in words is "ninety million, nine hundred seventy-five thousand, eighty".