90194375 has 10 divisors (see below), whose sum is σ = 112707672. Its totient is φ = 72155000.

The previous prime is 90194369. The next prime is 90194441. The reversal of 90194375 is 57349109.

It is a happy number.

It is not a de Polignac number, because 90194375 - 2¹⁰ = 90193351 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 (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 71531 + ... + 72780.

Almost surely, 2^90194375 is an apocalyptic number.

90194375 is a deficient number, since it is larger than the sum of its proper divisors (22513297).

90194375 is an equidigital number, since it uses as much as digits as its factorization.

90194375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144331 (or 144316 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 90194375 is about 9497.0719171753. The cubic root of 90194375 is about 448.4628623250.

The spelling of 90194375 in words is "ninety million, one hundred ninety-four thousand, three hundred seventy-five".