90112275 has 72 divisors (see below), whose sum is σ = 183845376. Its totient is φ = 41764800.

The previous prime is 90112273. The next prime is 90112283. The reversal of 90112275 is 57221109.

It is not a de Polignac number, because 90112275 - 2¹ = 90112273 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90112271) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 56134 + ... + 57716.

It is an arithmetic number, because the mean of its divisors is an integer number (2553408).

Almost surely, 2^90112275 is an apocalyptic number.

90112275 is an abundant number, since it is smaller than the sum of its proper divisors (93733101).

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

90112275 is a wasteful number, since it uses less digits than its factorization.

90112275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1633 (or 1625 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The square root of 90112275 is about 9492.7485482341. The cubic root of 90112275 is about 448.3267489655.

The spelling of 90112275 in words is "ninety million, one hundred twelve thousand, two hundred seventy-five".