90636576 has 48 divisors (see below), whose sum is σ = 238521024. Its totient is φ = 30136064.

The previous prime is 90636563. The next prime is 90636577. The reversal of 90636576 is 67563609.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (90636577) 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, 47350 + ... + 49226.

It is an arithmetic number, because the mean of its divisors is an integer number (4969188).

Almost surely, 2^90636576 is an apocalyptic number.

90636576 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

90636576 is an abundant number, since it is smaller than the sum of its proper divisors (147884448).

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

90636576 is a wasteful number, since it uses less digits than its factorization.

90636576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2393 (or 2385 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 42.

The square root of 90636576 is about 9520.3243642221. The cubic root of 90636576 is about 449.1945691391.

The spelling of 90636576 in words is "ninety million, six hundred thirty-six thousand, five hundred seventy-six".