90675575 has 6 divisors (see below), whose sum is σ = 112437744. Its totient is φ = 72540440.

The previous prime is 90675551. The next prime is 90675593. The reversal of 90675575 is 57557609.

It is a de Polignac number, because none of the positive numbers 2^k-90675575 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1813487 + ... + 1813536.

It is an arithmetic number, because the mean of its divisors is an integer number (18739624).

Almost surely, 2^90675575 is an apocalyptic number.

90675575 is a deficient number, since it is larger than the sum of its proper divisors (21762169).

90675575 is a wasteful number, since it uses less digits than its factorization.

90675575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3627033 (or 3627028 counting only the distinct ones).

The product of its (nonzero) digits is 330750, while the sum is 44.

The square root of 90675575 is about 9522.3723409663. The cubic root of 90675575 is about 449.2589862057.

The spelling of 90675575 in words is "ninety million, six hundred seventy-five thousand, five hundred seventy-five".