90195080 has 64 divisors (see below), whose sum is σ = 212889600. Its totient is φ = 34352640.

The previous prime is 90195073. The next prime is 90195097. The reversal of 90195080 is 8059109.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69881 + ... + 71159.

It is an arithmetic number, because the mean of its divisors is an integer number (3326400).

Almost surely, 2^90195080 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 90195080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106444800).

90195080 is an abundant number, since it is smaller than the sum of its proper divisors (122694520).

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

90195080 is a wasteful number, since it uses less digits than its factorization.

90195080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1374 (or 1370 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 32.

The square root of 90195080 is about 9497.1090338060. The cubic root of 90195080 is about 448.4640307847.

The spelling of 90195080 in words is "ninety million, one hundred ninety-five thousand, eighty".